【单选题】【消耗次数:1】
Before the final examination, some students have shown _______ of tension. They even have trouble in sleeping.
anxiety
marks
remarks
signs
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相关题目
【单选题】 Before the final examination, many students have shown ___ of tension. Some have trouble in sleeping while others have lost their appetite.
①  anxiety
②  marks
③  signs
④  remarks
【单选题】 The students expected there ____ more reviewing classes before the final exams.
①  is
②  being
③  have been
④  to be
【单选题】 Have your examination results come ___________ yet?
①  at
②  through
③  across
④  to
【单选题】 I have trouble in ________ my homework.
①  do
②  done
③  doing
④  did
【单选题】 Unbelievable! I have failed my final exam for mathematics!____________
①  Good luck.
②  Cheer up.
③  Go ahead.
④  No problem.
【单选题】 Areas where students have particular difficulty have been treated ____ particular care.
①  by
②  in
③  under
④  with
【单选题】 Information and opinion gap exercises have to have some content ___ talking about.
①  worthwhile
②  worthily
③  worth
④  worthy
【单选题】 Information and opinion gap exercises have to have some content _____talking about.
①  worthwhile
②  worthily
③  worth
④  worthy
【单选题】 I am ____ grateful for the many kindnesses you have shown my son.
①  excessively
②  much
③  certainly
④  exceedingly
【单选题】 These candidates have vague notions of serving the company, [] they have never taken trouble to find out the actual tasks they will be required to do.
①  or
②  and
③  but
④  so
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①  正确
②  错误
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①  正确
②  错误
【判断题】 气源管道管径d的大小是根据压缩空气的最大流量和允许的最大压力损失决定的。
①  正确
②  错误
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①  正确
②  错误
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①  正确
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①  正确
②  错误
【判断题】 空气压缩机铭牌上的流量是压缩空气的流量。
①  正确
②  错误
【判断题】 气动三联件是由油雾器、气压表、减压阀构成的。
①  正确
②  错误
【单选题】 有湿空气的压力为0.106MPa,干空气分压为0.082MPa,若同温度下饱和水蒸气分压为0.062MPa,则此湿空气的相对湿度为 ( )。
①  22.6%
②  38.7%
③  58.5%
④  75.6%
【单选题】 等容过程的特征是( )。
①  气体的内能保持不变
②  气体的压力保持不变
③  气体对外不作功