Listening to an Ipod, playing loud video g

题目内容：

Listening to an Ipod, playing loud video games and going to see the movies are harmful to your hearing. ___71____

Block(堵住)，walk and turn—that’s what hearing scientists want you to do when you face a loud noise. Block the noise from entering your ears. 72 And turn it down.

about 15% of all school-age children live with some hearing loss. And it’s a growing problem. _ 73

Block It Out!

74It starts at zero. Sounds that are too loud or sounds that last too long can harm the inner ear’s hair cells (细胞)。 Most people don’t know that listening to headphones at full volume(音量) is harmful. So turn down the volume and protect your ears.

What’s Too Loud?

75 And 60 decibels is totally safe.

A. A 2011 study by Harvard Medical School found that teenage girl have more hearing problems than teenager boys.

B. Your body might try to warn you when a sound is too loud to be safe.

C. Walk away from it.

D. Loud noise can break the inner ear, but we can avoid the noise pollution.

E. the sound unit is decibel(分贝)。

最佳答案：

小题1:D

小题2:C

小题3:A

小题4:E

小题5:B

答案解析：

此题重点考查对整篇文章的理解，语句的前后连贯性。

考点核心：

根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。