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電速。
People like buying their CDs.43
singers are national stars.42Wherever the singers go,all the young people want to meet them.
()to play songs for their customers ()Most of the radio programs are about music.Pop
class.Drivers listen to music on the car radio as they drive to work.Some shops use large speakers
41 Students carry small radios with earphones and listen to music before class and after
D.To tell us not to listen to loud music too long.
C.To describe different kinds of music.
B.To show how to make the standards for safe listening
A.To ask us not to listen to music.
40.What is the purpose (of the text
A.Our inner ears.B.Hair cells.
C.70 dB for less than 40 hours a week.
A.Louder than 85 dB for ten hours.
C.Loud sounds.
39.What does the underlined word"them"refer to (in the text
D.110 dB for half an hour.
B.100 dB for twenty minutes
38.Which of the following is the safe level for most sound according to WHO
A.Be similar to.
B.Be good for..
37.What does the underlined word"harm"mean in paragraph 3
36.How does the writer begin the text
80dB is roughly equal to the noise of a subway.
C.Be bad for
A.By asking questions.B.By telling stories.C.By giving examples.D.By giving reasons
WHO said the"safe level"for most sounds is below 80 dB for up to 40 hours a week.A level of
Later,when you listen to it at the same volume in a quiet place,you might feel uncomfortable.
are.For example,if you are in a noisy place like the subway,you might tum up your music too loud.
Some people might think that their music isn't all that loud.But this can depend on where you
can make these cells work too hard and cause some of them to die.This is what causes hearing loss.
in our inner ears.These cells detect (sounds.However,listening to loud noise for a long time
Loud noise is harmful to the inner ear.Most of us are bom with about 16,000 hair cells()
D.Old people.
D.Be interested in.
Sally:Really Thank you so much.
10092a.0
Sally:Did you buy anything special there
Tony:No.In fact,I wanted to try paragliding.but I didn't have enough money.
Tony:Great!We went to the famous street near the Bell Tower and ate much delicious food.
Tony:We also rode bicycles to the Shaanxi History Museum from the Big Wild Goose Pagoda
Tony:Yes.we visited it on the first day.It was wonderful.
4配裝n Sal Sal
Tony:It was sunny and hot.
Tony:Yes.I went there with a few friends.
Sally:Hello,Tony.Did you go to Xi'an last summer vacation
F.Another is called country music.
E.These singers make a lot of money from their CDs.
D.You can hear their songs all over the country.
C.Americans like pop music very much.
B.They are popular in America,too.
A.Do you enjoy Chinese music
a country boy and his girl is called country music.
their cows when they were watching them.Today,any music about country life and the love between
about the common life of Americans.45At first,cowboys would sing these songs at night to
There are other kinds of music.44 One is called folk music )It tells stories

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