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题目列表(包括答案和解析)

Alexis Rocha is a 13-year-old boy from California, US. He weighs 147 pounds (67 kg). But six months ago, he weighed more than 202 pounds (91 kg). How did he lose all that weight in only half a year?
“One day, I was surprised to find that I weighed about 200 pounds,” Rocha says. “I thought I had to do something.”
Rocha is from a boxing (拳击) family—his father and two older brothers are professional boxers. So he decided to start boxing. He began with simple exercises, like sit-ups and push-ups (俯卧撑). Then Rocha started jogging(慢跑). “No kid likes running,” he says. “I don’t want to do it, either, but I have no choice but to keep on.”
Months later, Rocha joined a boxing club in his city. He is always the first kid at the club to begin exercising, and the last to leave with sweat (汗水) on his face. Every day he boxes for about three hours.
“Rocha works very hard,” says his coach, Hector Lopez. “It’s surprising to see him lose the pounds so quickly. I’ve never seen anything like this in my 20 years of coaching.”
Rocha is very happy with his weight now. There is a family photo in his room from 18 months ago. “Each time I look at the photo, I laugh at myself. I was so big back then,” Rocha says. “I look 100 times thinner and 1,000 times stronger now.”
【小题1】How much weight did Rocha lose in six months?
A. At least 24 pounds.     B. At least 30 pounds.      C. At least 55 pounds.
【小题2】 Rocha said he had no choice but to keep on running because_______.
A. he liked running very much
B. he wanted to be thin and strong
C. he wanted to be a professional boxer
【小题3】What makes Coach Hector Lopez surprised?
A. Rocha lost weight so quickly.
B. Rocha was so fat 18 months ago.
C. Rocha comes from a boxing family.
【小题4】What’s the correct order of the following sentences?
a. He did some sit-ups and push-ups.
b. He lost the pounds quickly.
c. He joined a boxing club.
d. He began running.
f. He boxed for about three hours every day.
A. a-d-c-f-b     B. d-a-f-c-b     C. a-d-f-c-b 
【小题5】The writer mainly wants to tell us _______.
A. Rocha is a hardworking boy
B. it is important to get exercise
C. everything is possible if you work hard

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Alexis Rocha is a 13-year-old boy from California, US. He weighs 147 pounds (67 kg). But six months ago, he weighed more than 202 pounds (91 kg). How did he lose all that weight in only half a year?
“One day, I was surprised to find that I weighed about 200 pounds,” Rocha says. “I thought I had to do something.”
Rocha is from a boxing (拳击) family—his father and two older brothers are professional boxers. So he decided to start boxing. He began with simple exercises, like sit-ups and push-ups (俯卧撑). Then Rocha started jogging(慢跑). “No kid likes running,” he says. “I don’t want to do it, either, but I have no choice but to keep on.”
Months later, Rocha joined a boxing club in his city. He is always the first kid at the club to begin exercising, and the last to leave with sweat (汗水) on his face. Every day he boxes for about three hours.
“Rocha works very hard,” says his coach, Hector Lopez. “It’s surprising to see him lose the pounds so quickly. I’ve never seen anything like this in my 20 years of coaching.”
Rocha is very happy with his weight now. There is a family photo in his room from 18 months ago. “Each time I look at the photo, I laugh at myself. I was so big back then,” Rocha says. “I look 100 times thinner and 1,000 times stronger now.”
【小题1】How much weight did Rocha lose in six months?
A. At least 24 pounds.     B. At least 30 pounds.      C. At least 55 pounds.
【小题2】 Rocha said he had no choice but to keep on running because_______.
A. he liked running very much
B. he wanted to be thin and strong
C. he wanted to be a professional boxer
【小题3】What makes Coach Hector Lopez surprised?
A. Rocha lost weight so quickly.
B. Rocha was so fat 18 months ago.
C. Rocha comes from a boxing family.
【小题4】What’s the correct order of the following sentences?
a. He did some sit-ups and push-ups.
b. He lost the pounds quickly.
c. He joined a boxing club.
d. He began running.
f. He boxed for about three hours every day.
A. a-d-c-f-b     B. d-a-f-c-b     C. a-d-f-c-b 
【小题5】The writer mainly wants to tell us _______.
A. Rocha is a hardworking boy
B. it is important to get exercise
C. everything is possible if you work hard

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为探究植物细胞膜的透性,某同学以红甜菜根(液泡中含有花青素)进行下列实验:
A.将不同切片放在不同温度的蒸馏水中处理1分钟后取出。
B.再分别放在清水中浸泡1小时而获得不同的切片浸出液。
C.测量这些溶液的花青素吸光度,得结果如下图。

请回答以下问题:
(1)上述实验操作步骤的叙述存在着一个明显的不足,没有遵循实验设计的    原则。请你对上述实验中的不准确的操作重新进行叙述:            
(2)由上图中的曲线你可以得出的结论是                    
(3)已知物质A能促进细胞膜上载体的活性。有人认为:经过不同温度的处理是影响了细胞膜上运载花青素的载体的活性。请你借助上述材料设计实验证明该观点是否正确。
材料用具:略。
实验步骤:
                                                                   
                                                                  
                                                                   
(2)预测结果及结论:
                                                                   
                                                                   

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词型转换(10分)

1.take (反义词)____________       2. I’m(完全形式)_________

3. does not(缩略形式)_________   4. you(形容词性物主代词)_________

5. two( 同音词) __________        6. photo (复数)   

7. have(第三人称单数)              8. we (宾格)   

9. these (单数)                    10. father (对应词)    

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between,  how,  truth, courage , cry, which, at once , he ,  that ,  stay ,  later ,  what
   A father was really worried about his son, who was sixteen years old but had no _▲86_ at all. So the father decided to call on a monk (修道士)to train ▲87_child.
  The monk said to the boy's father, "You should leave your son alone here, I'll make him into a _▲88_man within three months. However, you can't come to see him during this period."
  Three months_▲89_, the boy's father came. The monk arranged a box match _▲90__the child and an experienced boxer. Each time the fighter struck the boy, he fell down, but __▲91_the boy stood up, and each time he was knocked down again, then the boy stood up again. After several times, the monk asked, "What do you think of your child?"
  "▲92_ a shame (羞愧)!"  the boy's father said. "I never thought he would be so easily knocked down. I needn't have him__▲93_here any longer."
  "I am sorry ▲94_that's all you see. Don't you see that each time he falls down, he stands up again instead of ▲95__? That's the kind of courage you wanted him to have."
 

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