在初步可行性研究阶段投资估算的误差的要求是( )。
A.±10%
B.±15%
C.±20%
D.±30%
参考答案:C
小题1:The question under (讨论) really is, how to realize China dream?
小题2:She (拒绝) to further talk that evening of her own worry.
小题3: I went to college (总之), as a part-time student.
小题4:Some animals are (不活动的)during the daytime.They always go out to search for food at night.
(B)根据句意,在答题卡标有题号的横线上,写出括号内所给单词的适当形式。
小题5:I_________(simple)can’t believe what she told me yesterday.
小题6:It is (honest) to lie about your age when you enter the competition.
小题7: The factory suffered a heavy _________(lose) as a result of the accident.
小题8: They found that cooking meat on a fire made it (tasty) and safer.
下列选项中哪些是瞬时防坠器的特点()。
A、制动距离短
B、制动不平稳
C、冲击力大
D、制动力矩一定