People who work at night ______.
A. lose the chance to gaze stars
B. have a higher risk of health problem
C. have less exposure to white light
D. are able to blame for light pollution
查看答案
According to the passage, what do the passengers usually see when they are on a long bus trip？
A. Buses on the road.
B. Films on television.
C. Advertisements on the billboards.
D. Gas stations.
What would be the best title for the text？
A. Jesse Owens, A Great American Athlete
B. Golden Moment A Life Time Struggle
C. Making A Living As A Sportsman
D. How To Be A Successful Athlete
We can infer from the text that Owens was treated unfairly in the US at that time because
A. he was not of the right race
B. he was the son of a poor farmer
C. he didn't shake hands with Hitler
D. he didn't talk to the US president on the phone
Scientists counted the number of stars ______.
A. to illustrate the impact of light pollution
B. to compare air quality in different areas
C. to see how the sky has changed with time
D. to arouse public interest in space
微信支付 
支付宝支付