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【简答题】
将下列各根式写成分数指数幂的形式: (1) (2)
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举一反三
【简答题】A．Eight and one half percent. B．Nine and one half percent. C．Eleven and one half percent. D．Seven and one half percent.
【单选题】It's _____ time since we met last. [ ]
A.
one and half month's
B.
one and a half months
C.
one and half months'
D.
one and a half months'
【简答题】请下面一段材料，回答第1-3题。 1. What is the main purpose of the talk? A. To give a prize to a musician. B. To introduce a guest speaker. C. To invite a musician to a concert. 2. At what age did the pianist begin ...
【单选题】Mary is old. [ ]
A.
one and a half year
B.
one and a half years
C.
one and half year
D.
one year and half
【单选题】某项目承包人在收到变更意向书后 , 向监理人提交了书面变更建议和变更报价书监理人经与发包人共同研究 , 在收到承包人书面变更建议和书面报价书后的第 14 天向承包人发出变更指示。在此事件中 ( )
A.
承包人应该在收到变更指示后才能提交变更报价书
B.
监理人发出变更指示时间没有超过时效
C.
监理人发出变更指示时间超过时效
D.
监理人在收到书面变更建议后 , 不能撤销或改变原变更意向书
【单选题】This is a typical emitter follower. What is the main benefit obtained by use of an emitter follower?
A.
The collector can be connected to as high voltage as 10 V DC.
B.
The V out is always equivalent to the V in.
C.
The input impedance is made much larger than the output impedance.
D.
The input impedance is made much smaller than the output impedance.
【简答题】what is the main idea of part III(8-10)?
【单选题】某项目承包人在收到变更意向书后,向监理人提交了书面变更建议和变更报价书,监理人经与发包人共同研究,在收到承包人书面变更建议和书面报价书后的第14天向承包人发出变更指示。在此事件中()。
A.
承包人应该在收到变更指示后才能提交变更报价书
B.
监理人发出变更指示时间没有超过时效
C.
监理人发出变更指示时间超过时效
D.
监理人在收到书面变更建议后,不能撒销或改变原变更意向书
【简答题】Henry walked for OD_e hour and a half to get home． →It______Henry one hour and a half to walk home．
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