可忽略不计，是指来自一个国家(地区)的倾销进口产品的数量占同类产品总进口量的比例低于（）。
A. 0.05
B. 0.03
C. 0.02
D. 0.01
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企业缴纳基本养老保险费，一般不得超过企业工资总额的（）
A. 0.1
B. 0.15
C. 0.2
D. 0.25
According to the passage, when you park your car in unfamiliar places, you' d better ______.
A. put your luggage in the trunk
B. leave little room for passengers
C. not give any passenger a lift
D. cover the passenger area with your luggage
It is implied in this passage that ______.
A. car of a certain make is reliable
B. any car can be unreliable
C. any kind of car can be reliable
D. no car can be unreliable
Which form. other than oral speech would be most commonly used among blind people？
A. picture signs
B. signal flags
C. sign language
D. Braille
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