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46. If your city is symbolized by either red or purple, the pollution in your city is _______.

A. Moderate or slight     B. Moderate or high

C. Medium or slight      D. Medium or high

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45.   According to Graph 1, which of the following cities has the worst air pollution?

A. Qinhuangdao.    B. Tianjin.    C. Shenyang.    D. Qingdao.

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44. What do we know about Winston Churchill?

A. He is an early bird.     B. He got up at 4 am.

C. He rose late.        D. He hosted meetings in his office.

B

China’s government has been trying all measures to reduce pollution in the past few years. Now people can enjoy a fresh environment everywhere. The following two graphs are adopted from the column of “City Information” on the webpage of Beijing Review.

Graph 1: Olympic Cities Air Quality Report

City
Date
API
Major Pollutant
Air Quality Degree
Quality Condition
Beijing
Sep.8
37
N / A
I
Very good
Qinhuangdao
Sep. 8
52
PM10
II
Good
Qingdao
Sep.8
68
PM10
II
Good
Shanghai
Sep.8
67
PM10
II
Good
Shenyang
Sep.8
88
PM10
II
Good
Tianjin
Sep.8
54
PM10
II
Good

Graph 2: Chinese National Standard

API Values
Levels of health concern
Colors
When the API is in this range :
… air quality conditions are :
… as symbolized by this color:
0 to 50
Very good
Blue
50 to 100
Good
Green
101 to 150
Slight pollution
Yellow
151 to 200
Moderate pollution
Orange
201 to 250
Medium pollution
Red
251 to 300
High pollution
Purple
301 to 500
Hazardous
Brown

Notes:

﹡﹡API stands for Air Pollution Index(指数).

﹡﹡Particulate matter(PM10)is a major component of air pollution that threatens both our health and our environment. It consists of very small liquid and solid particles floating in the air.

﹡﹡Sulfur dioxide(SO2)acts as an acid. Inhalation(吸入)results in labored breathing, coughing, or a sore throat and may cause permanent lung damage.

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43. Which of the following is true about the experiment?

A. It measured their reaction and attentions times.

B. The volunteers got up earlier than usual.

C. Early birds did better at the task shortly after getting up.

D. It lasted ten hours during the day.

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42.   Which of the following can not be used to describe night owls?

A. Clever.     B. Sleepy.     C. Quick.     D. Alert.

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41.   What does the new research tell us?

A.   Early birds are healthier.    B. Night owls are healthier.

C.    Early birds are richer.     D. Night owls tire less quickly.

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39. A. depend        B. rely          C. look             D. center

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38. A. troublesome     B. important      C. enthusiastic        D. worthless

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37. A. review         B. pause         C. rest              D. memory

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