题目内容

Nevertheless,motorists themselves call try to prevent problems from arising by

A. driving shortDistances in hot weather
B. having their car insured for£20
C. driving slowly at all times
D. making sure their car is in good woa,ing order

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It is implied in the passage that_________.

A. governments and companies hadDifferent opinions about the safety of products
B. governments paid little attention to the safety of products
C. government officials oftenDid not listen to scientists
D. in the past no safety laws were introduced by governments

A.unitB.struckC.underD.truck

A. unit
B. struck
C. under
D. truck

在区间(0,+∞)内是单调增函数的是() (A)y=3+x3 (B)y=3-x2 (C)y=8-x4 (D)y=-8x+1

()

A. 1earners
B. programs
C. users
D. tools

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