航空运输、公路运输的快速发展在一定程度上使铁路系统受到()。A:冲击B:威胁C:震荡

题型:单项选择题

问题:

航空运输、公路运输的快速发展在一定程度上使铁路系统受到()。

A:冲击

B:威胁

C:震荡

D:削弱

考点:语言学语言法规语言法规题库
题型:单项选择题

下面有三个句子,原文共有五十多字,请把它改成只有三十多字的两句话,要使原意无损,语言更简明。

原文:

  ①还有一种立体的会活动的书,也很吸引人。②它的插图都是立体的。③当你把书打开的时候,书里的人和动物马上会站起来,跃然纸上,栩栩如生。

改写:

 ①__________________________________

 ②__________________________________

题型:单项选择题

缺词填空 根据短文内容及首字母提示补全单词(共10小题;每小题1分,共10分)

UNICEF works all over the world.

UNICEF helps make the world a better place for c____小题1:____. We provide clean water, enough food and e____小题2:____ for poor children in many countries.

We want children to be healthy so we try to p__小题3:____ illness. When they’re sick, we pay for them to go to a doctor.

We also think it’s i____小题4:___ that children go to school. Many children in p___小题5:__ countries have to work to earn m____小题6:____ for their families so they can’t go to school.

UNICEF raises money by s____小题7:____ Christmas cards and organizing other fund-raising a____小题8:___.

There are many w__小题9:___ you can help UNICEF. You can send a donation or do some v___小题10:__ work.

题型:单项选择题

下列不属于单基因疾病的是()

A.血红蛋白病 

B.苯丙酮尿症 

C.遗传性痛风 

D.原发性高血压 

E.强直性肌肉萎缩

题型:单项选择题

__Sorry to_____ you , but could I ask you a quick question?  

__No problem.     [ ]

A. worry 

B. frighten   

C. bother    

D. disappoint

题型:单项选择题

CO报警器使用时的温度范围为()。

A.-10℃~10℃

B.-20℃~50℃

C.-30℃~70℃

D.-40℃~80℃

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