题干

1996年开始,我国把每年6月6日确定为“全国爱眼日”,下列措施中,不能预防近视的是(   )

A:眼睛与书的距离要在33厘米左右

B:看书、看电视或使用电脑1小时后要休息,远眺几分钟

C:定期检查视力,认真做眼保健操

D:户外光线明亮,可以在直射的强光下看书

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答案(点此获取答案解析)

D

同类题4

阅读下面短文,从方框中所给的A—D四个选项中选择正确的答案,并将其序号填入(1)~(4)题,使短文意思连贯,然后回答最后一小问。

    Tuesday was like any other day for Morgan Bieley, 15. It was the fourth period, and she was the first student to arrive in the gym for her P.E. class. (1)____.

    "There was a sharp cracking noise and then a loud boom. After that, I didn't remember anything,"said Morgan.

    The roof(屋顶)of the gym had fallen down under the heavy snow. Morgan couldn't get away. "I woke up and there was a big piece of wood on my leg. (2)____. I was starting to get cold."

    Luckily, help was nearby. A new program using "rescue(救援)robots" was tried for the first time.

    "We were nervous about using the robot,"said Derric Sneed, the leader of the program. "But in the end the robot gave us exact information.(3) ____."

    The robot was able to go into the gym and find Morgan's place. "Once we made sure where Morgan was and knew it was safe, our men went into rescue her,"says Sneed. "Her leg was broken and she was scared, but thankfully, she was alive."

    Doctors say that Morgan is doing well. (4)____. "I want to meet my hero after I get out of the hospital," laughs Morgan. "That little robot saved my life!"

A. It went rather well

B. I couldn't move

C. She should be going home in three days

C. Suddenly there was a loud noise.

Who does Morgan think her hero is?(回答不多于3个单词)

____