What is the passage mainly about? A. A popular way of forecasting weather. B. A new research effort in predicting storms. C. Biologists’ interest in the secrets of sharks. D. Lauren Smith’s devotion to scientific research. 答案 44.B 45.A 46.D 47.B Passage 30 Something in chocolate could be used to stop coughs and lead to more effective medicines,say UK researchers. Their study found that theobromine,found in cocoa,was nearly a third more effective in stopping coughs than codeine,which was considered the best cough medicine at present. The Imperial College London researchers who published their results online said the discovery could lead to more effective cough treatments.“While coughing is not necessarily harmful it can have a major effect on the quality of life,and this discovery could be a huge step forward in treating this problem, said Professor Peter Barnes. Ten healthy volunteers were given theobromine,codeine or a placebo,a pill that contains no medicine,her the volunteers nor the researchers knew who received which pill.The researchers then measured levels of capsaicin,which is used in research to cause coughing and as a sign of how well the medicines are stopping coughs. The team found that,when the volunteers were given theobromine,the capsaicin needed to produce a cough was around a third higher than in the placebo group.When they were given codeine they needed only slightly higher levels of capsaicin to cause a cough compared with the placebo. The researchers said that theobromine worked by keeping down a nerve activity,which causes coughing.They also found that unlike some standard cough treatments,theobromine caused no side effects such as sleepiness. 查看更多

 

题目列表(包括答案和解析)

阅读理解。
    Michael Fish may soon be replaced as a weather forecaster by something truly fishie-the shark(鲨鱼).
    Research by a British biology student suggests that sharks couldbe used to predict storms.
    Lauren Smith,24, is close to completing her study on sharks'a bility to sense pressure.
    If her studies prove the theory, scientists may be able to monitor the behaviour of sharks to predict
bad weather.
    Miss Smith had previously studied the behaviour of lemonsharks in the Bahamas.
    She then used their close relatives, lesser spotted dogfish, forfurther research at Aberdeen University.
    Her work-thought to be the first of its kind to test the pressuretheory -resulted from the observation
that juvenile blacktip sharksoff Florida moved into deeper water ahead of a violent storm in2001.
    Miss Smith said,"I've always been crazy about traveling anddiving and this led me to an interest in
sharks."
    "I was deligbted to have been able to research in the area formy degree. I know there's so much more we need to understand-butit certainly opens the way to more research. "
    It has been discovered that a shark senses pressure using haircells in its balance system.
    At the Bimini Shark Lab in the Bahamas,Miss Smith fixedhi-tech sensors to sharks to record pressure
and temperature, whilealso tracking them using GPS ( Global Positioning System )technology.
    In Aberdeen,she was able to study the effects of tidal(潮汐的)and temperature changes on dogfis-none of which were harmed. She also used a special lab which can mimic(模拟)oceanic pressure changes caused by weather fronts.
She is due to complete her study and graduate later this year.She says she will be looking for a job which will give her the chanceto enrich her experience of shark research.
1. The passage is most probably taken from_______.
A. a short-story collection      
B. a popular science magazine  
C. a research paper            
D. a personal diary
2. What do we learn om the first four paragraphs of the passage?
A. Sharks may be used to predict bad weather.
B. Sharks' behaviour can be controlled.
C. Michael Fish is not qualified for his job.
D. Lauren Smith will become a weather forecaster.
3. Lauren Smith conducted her research by_______.
A. removing hair cells from a shark's balance system
B. measuring the air pressure of weather fronts
C. Fecording sharks' body temperature
D. monitoring sharks' reaction to weather changes
4. What is the passage mainly about?  
A. A popular way of forecasting weather.
B. A new research effort in predicting storms.
C. Biologists' interest in the secrets of sharks.
D. Lauren Smith's devotion to scientific research.

查看答案和解析>>

Michael Fish may soon be replaced as a weather forecaster by something truly fishier---the shark(鲨鱼).

Research by a British biology student suggests that sharks could be used to predict storms.

Lauren Smith, 24, is close to completing her study on shark’s ability to sense pressure.

If her studies prove the theory, scientists may be able to monitor the behaviour of sharks to predict bad weather.

Miss Smith had previously studied the behaviour of lemon sharks in the Bahamas.

She then used their close relatives, lesser spotted dogfish, for further research at Aberdeen University.

Her work---thought to be the first of its kind to test the pressure theory ---- resulted from the observation that juvenile blacktip sharks off Florida moved into deeper water ahead of a violent storm in 2001.

Miss Smith said: “I’ve always been crazy about traveling and diving and this led me to an interest in sharks.”

“I was delighted to have been able to research in the area for my degree. I know there’s so much more we need to understand ---- but it certainly opens the way to more research.”

It has been discovered that a shark senses pressure using hair cells in its balance system.

At the Bimini Shark Lab in the Bahamas, Miss Smith fixed hi-tech sensors to sharks to record pressure and temperature, while also tracking them using GPS (Global Positioning System) technology.

In Aberdeen, she was able to study the effects of tidal(潮汐的) and temperature changes on dogfish----none of which were harmed. She also used a special lab which can mimic(模拟) oceanic pressure changes caused by weather fronts.

She is due to complete her study and graduate later this year. She says she will be looking for a job which will give her the chance to enrich her experience of shark research.

The passage is most probably taken from _____.

A. a short-story collection        B. a popular science magazine

C. a research paper              D. a personal diary

What do we learn from the first four paragraph of the passage?

A. Sharks may be used to predict bad weather.

B. Sharks’ behaviour can be controlled.

C. Michael Fish is not qualified for his job.

D. Lauren Smith will become a weather forecaster.

Lauren Smith conducted her research by _______.

   A. removing hair cells from a shark’s balance system

   B. measuring the air pressure of weather fronts

   C. recording sharks’ body temperature

   D. monitoring sharks’ reaction to weather changes

What is the passage mainly about?

   A. A popular way of forecasting weather.

   B. A new research effort in predicting storms.

   C. Biologists’ interest in the secrets of sharks.

   D. Lauren Smith’s devotion to scientific research.

查看答案和解析>>

   Michael Fish may soon be replaced as a weather forecaster by something truly fishier-the shark(鲨鱼).

   Research by a British biology student suggests that sharks could be used to predict storms.

   Lauren Smith, 24, is close to completing her study on sharks’ ability to sense pressure.

   If her studies prove the theory, scientists may be able to monitor the behavior of sharks to predict bad weather.

   Miss Smith had previously studied the behavior of lemon sharks in the Bahamas.

   She then used their close relatives, lesser spotted dogfish, for further research at Aberdeen University.

   Her work-thought to be the first of its kind to test the pressure theory-resulted from the observation that juvenile black tip sharks off Florida moved into deeper water ahead of a violent storm in 2001.

   Miss Smith said:“I’ve always been crazy about traveling and diving and this led me to an interest in sharks.”

   “I was delighted to have been able to research in the area for my degree. I know there’s so much more we need to understand-but it certainly opens the way to more research.”

   It has been discovered that a shark senses pressure using hair cells in its balance system.

   At the Bimini Shark Lab in the Bahamas, Miss Smith fixed hi-tech sensors to sharks to record pressure and temperature, while also tracking them using GPS (Global Positioning System)technology.

   In A berdeen, she was able to study the effects of tidal(潮汐的)and temperature changes on dogfish-none of which were harmed. She also used a special lab which can mimic(模拟)oceanic pressure changes caused by weather fronts.

   She is due to complete her study and graduate later this year. She says she will be looking for a job which will give her the chance to enrich her experience of shark research.

1. The passage is most probably taken from       .

   A. a short-story collection                                          B. a popular science magazine

   C. a research paper                                          D. a personal diary

2. What do we learn from the first four paragraphs of the passage?

   A. Sharks may be used to predict bad weather.

   B. Sharks’ behavior can be controlled.

   C. Michael Fish is not qualified for his job.

   D. Lauren Smith will become a weather forecaster.

3. Lauren Smith conducted her research by        .

   A. removing hair cells from a shark’s balance system

   B. measuring the air pressure of weather fronts

   C. recording sharks’ body temperature

   D. monitoring sharks’ reaction to weather changes

4. What is the passage mainly about?

   A. A popular way of forecasting weather.

   B. Anew research effort in predicting storms.

   C. Biologists’ interest in the secrets of sharks.

   D. Lauren Smith’s devotion to scientific research.

查看答案和解析>>

Michael Fish may soon be replaced as a weather forecaster by something truly fishier---the shark(鲨鱼).

Research by a British biology student suggests that sharks could be used to predict storms.

Lauren Smith, 24, is close to completing her study on shark’s ability to sense pressure.

If her studies prove the theory, scientists may be able to monitor the behaviour of sharks to predict bad weather.

Miss Smith had previously studied the behaviour of lemon sharks in the Bahamas.

She then used their close relatives, lesser spotted dogfish, for further research at Aberdeen University.

Her work---thought to be the first of its kind to test the pressure theory ---- resulted from the observation that juvenile blacktip sharks(黑边鳍真鲨) off Florida moved into deeper water ahead of a violent storm in 2001.

Miss Smith said: “I’ve always been crazy about traveling and diving and this led me to an interest in sharks.”

“I was delighted to have been able to research in the area for my degree. I know there’s so much more we need to understand ---- but it certainly opens the way to more research.”

It has been discovered that a shark senses pressure using hair cells in its balance system.

At the Bimini Shark Lab in the Bahamas, Miss Smith fixed hi-tech sensors to sharks to record pressure and temperature, while also tracking them using GPS (Global Positioning System) technology.

In Aberdeen, she was able to study the effects of tidal(潮汐的) and temperature changes on dogfish----none of which were harmed. She also used a special lab which can mimic(模拟) oceanic pressure changes caused by weather fronts.

She is due to complete her study and graduate later this year. She says she will be looking for a job which will give her the chance to enrich her experience of shark research. 

The passage is most probably taken from _____.

A. a short-story collection

B. a popular science magazine

C. a research paper

D. a personal diary

What do we learn from the first four paragraph of the passage?

A. Sharks may be used to predict bad weather.

B. Sharks’ behaviour can be controlled.

C. Michael Fish is not qualified for his job.

D. Lauren Smith will become a weather forecaster.

Lauren Smith conducted her research by _______.

 A. removing hair cells from a shark’s balance system

 B. measuring the air pressure of weather fronts

 C. recording sharks’ body temperature

 D. monitoring sharks’ reaction to weather changes

What is the passage mainly about?

 A. A popular way of forecasting weather.

 B. A new research effort in predicting storms.

 C. Biologists’ interest in the secrets of sharks.

 D. Lauren Smith’s devotion to scientific research.

查看答案和解析>>

阅读理解。
     Michael Fish may soon be replaced as a weather forecaster by something truly fisher-the shark (鲨鱼).
Research by a British biology student suggests that sharks could be used to predict storms.
     Lauren Smith, 24, is close to completing her study on shark's ability to sense pressure. If her studies
prove the theory, scientists may be able to monitor the behavior of sharks to predict bad weather.
     Miss Smith had previously studied the behavior of lemon sharks in the Bahamas. She then used their
close relatives, lesser spotted dogfish, for further research at Aberdeen University.
     Her work-thought to be the first of its kind to test the pressure theory-resulted from the observation
that juvenile black tip sharks off Florida moved into deeper water ahead of a violent storm in 2001.
     Miss Smith said, "I've always been crazy about traveling and diving and this led me to an interest in
sharks." "I was delighted to have been able to research in the area for my degree. I know there's so much
more we need to understand-but it certainly opens the way to more research."
     It has been discovered that a shark senses pressure using hair cells in its balance system. At the Bimini
Shark Lab in the Bahamas, Miss Smith fixed hi-tech sensors to sharks to record pressure and temperature,
while also tracking them using GPS (Global Positioning System) technology.
     In Aberdeen, she was able to study the effects of tidal (潮汐的) and temperature changes on dogfish-
none of which were harmed. She also used a special lab which can mimic(模拟) oceanic pressure changes
caused by weather fronts.
     She is due to complete her study and graduate later this year. She says she will be looking for a job which
will give her the chance to enrich her experience of shark research.
1. The passage is most probably taken from _____.
[     ]
A. a short-story collection
B. a popular science magazine
C. a research paper
D. a personal diary
2. What do we learn from the first two paragraphs of the passage?
[     ]
A. Sharks may be used to predict bad weather.
B. Sharks' behavior can be controlled.
C. Michael Fish is not qualified for his job.
D. Lauren Smith will become a weather forecaster.
3. Lauren Smith conducted her research by _____.
[     ]
A. removing hair cells from a shark's balance system
B. measuring the air pressure of weather fronts
C. recording sharks' body temperature
D. monitoring sharks' reaction to weather changes
4. What is the passage mainly about?
[     ]
A. A popular way of forecasting weather.
B. A new research effort in predicting storms.
C. Biologists' interest in the secrets of sharks.
D. Lauren Smith's devotion to scientific research.

查看答案和解析>>


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