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【简答题】
计算题：某交流正弦电压的初相角为30°，且在t=T/2时的瞬时值为-268V，试求这个电压的有效值。
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【简答题】Amanda didn't get the job because she ______ work at the weekends She said she had such a busy social life.
【简答题】A．The woman dialed a wrong number. B．The woman asked for help. C．The woman didn't get through the phone. D．The woman dialed Jack Easton.
【单选题】—Our class has won the first place of the friendship basketball match. — _______. I was impressed by the performance of your team. [ ]
A.
That's OK
B.
Nothing much
C.
All right
D.
Congratulations
【单选题】已知图示放大电路中的【图片】，【图片】，【图片】，【图片】,晶体管的【图片】，【图片】。那么，该晶体管处于何种状态？。【图片】
A.
放大状态
B.
饱和状态
C.
截止状态
D.
无法判断
【单选题】已知图示放大电路中的【图片】W，【图片】W，【图片】,晶体管的【图片】，【图片】。那么，该晶体管处于何种状态？ 。【图片】【图片】
A.
放大状态
B.
饱和状态
C.
截止状态
D.
无法判断
【简答题】I was impressed by the _____________ (beautiful) and warmth of the people.
【简答题】I was impressed by the ______with which the information would be retrieved. A) base B) taste C) maze D) ease
【单选题】I was impressed by the range of______ accessories of my microcomputer that were available.
A.
acceptable
B.
compulsory
C.
optional
D.
random
【简答题】28 He spoke very slowly, but he still didn’t get his meaning _______. A across B cross C through D though
相关题目：
【单选题】已知图示放大电路中的【图片】，【图片】，【图片】，【图片】,晶体管的【图片】，【图片】。那么，该晶体管处于何种状态？。【图片】
A.
放大状态
B.
饱和状态
C.
截止状态
D.
无法判断