文化的民族性和多样性是文化发展的规律，20世纪风靡美国的爵士乐介绍，错误的是 [

发布时间：2017-04-24 14:53 │ 来源：www.tikuol.com

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问题：

文化的民族性和多样性是文化发展的规律，20世纪风靡美国的爵士乐介绍，错误的是 [ ]

A、爵士乐起源于非洲音乐，在非洲产生后传入美国

B、爵士乐不仅影响了其他流行音乐的形式，还影响了古典音乐的创作

C、演奏者的即兴发挥是爵士乐演奏的特点

D、爵士乐兴起后形成了多种多样的风格和特色。

考点：爵士乐

题型：选择题

完型填空。

     The earth is our home. We must take care of it. Life today is easier that it was   1   years ago, but it
has brought some new problems. One of the biggest problems is pollution. We can see it, drink it and
even hear it.
     Man has polluted the   2 . The more people, the more pollution. Many years ago, the problem was not
so serious because there were not so   3   people. When the land was used up (用光) or the river was not
clean in a place, man went to   4   place. Now man is slowly polluting the whole world.
       5   pollution is still the most serious, it's bad for   6 thing in the world.
    Many countries don't let people burn (燃烧)   7   for air in houses and factories in the city. Pollution by
SO₂ is now the most dangerous kind of air pollution. It's   8   to ride bikes. When you are tiding, there is no
pollution. But even in developed countries, most people don't go to work by bike. It's not because bikes are
expensive or people are tired if they ride to work. It's because the number of cars on the roads becomes
larger. So more people   9 their bikes and go to work by car, then things are getting worse and worse. We
should have special roads only for bikes and make it  10  difficult and expensive for drivers to take their cars
into the city that they will go back to using their bikes.

( )1. A. hundred
( )2. A. moon
( )3. A. lot
( )4. A. other
( )5. A. Air
( )6. A. life
( )7. A. something bad
( )8. A. least
( )9. A. put on
( )10. A. quite

B. hundreds of
B. star
B. little
B. the others
B. Food
B. live
B. bad something
B. best
B. look at
B. such

C. hundred of
C. earth
C. many
C. the other
C. Water
C. living
C. something good
C. most
C. put away
C. very

D. hundreds
D. sun
D. much
D. another
D. Native
D. lives
D. good something
D. worst
D. look up
D. so

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急性心肌梗死24小时内应禁用的药物是（）

A.呋塞米

B.利多卡因

C.硝酸甘油

D.洋地黄

E.尿激酶

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A.釉质发育不全

B.氟牙症

C.遗传性乳光牙本质

D.四环素牙

E.畸形中央尖

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计算列车定员时，软座、软卧、硬卧定员均按实际定员计算。

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按照新一代控制轧制和冷却工艺流程要求，降低钢坯加热温度（开轧温度）有利于提高产品质量，生产高性能、高科技含量、高附加值节约型钢铁材料，同时有利于减少烧损和温室气体排放量，因此抓好轧钢加热炉节能工作具有重要意义。

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