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【简答题】
Life in the twenty-first century will be very 1 . Many changes will take place, but 2 will the changes be. The population is growing 3 . There will be many 4 in the world and most of them will live 5 than people in the twentieth century. Computers will be much smaller and 6 and there will be at least one in every 7 . And 8 studies will be one of the important subjects in school then. People wil l work 9 and they will have more free time for sports, watching TV and travelling. 10 will be much easier and cheaper. And many more people will go to 11 countries for holidays. There will be changes in our 12 , too. Maybe no one will eat meat every day, instead, they eat more fruit and vegetables. Maybe people will be 13 . Work in the future will be different, too. 14 and hard work can be done by robots. Because of this, 15 will not have enough work to do .This will be a problem.
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【单选题】听力原文：W: Well, where did you think the theater director would be? M: You mean Emily Thompson? She was away attending a conference. Q: What does the man imply? (16)
A.
He did meet the director today,
B.
The director was at home,
C.
He met the director at the theater.
D.
He didn't see the director,
【简答题】如图所示有一直流电桥,负载电阻 R L 趋于无穷。图中 U=4V , R1=R2=R3=R4=120 Ω,试求:( 1 ) R1 为金属应变片,其余为外接电阻,当 R1 的增量 △ R1=1.2 Ω时,电桥输出电压 Uo= ( ) V ?( 2 ) R1 、 R2 为金属应变片,感应应变大小极性相同,其余为外接电阻,电桥输出电压 Uo= ( ) V ? ( 3 ) R1 、 R2 为金属应变片,如...
【单选题】In order to convince the director to agree on their plan, they______ a number of reports which supported their argument.
A.
brought out
B.
brought forth
C.
call forth
D.
put forward
【简答题】如图 所示为直流应变电桥,其中U=4V , R1=R2=R3=R4=100Ω ,试求: ( 1) R1 为金属应变片,其余为外接电阻。当 R1 增量为 △ R1=1.0Ω时,电桥输出电压 U0 为多少? ( 2) R1 和 R2 都是应变片,且批号相同,感受应变的极性和大小都相同,其余为外接电阻,电桥输出电压U0 为多少? ( 3 )题( 2 )中,如果R1 与R2 感受应变的极性相反,且 |△ ...
【单选题】听力原文：W: Three out of four critics blamed the director for the failure of that musical. M: That's one of tile problems of being a director. You get blamed for every fault. Q: What had happened to the m...
A.
It became a hit.
B.
It was a flop.
C.
It had a long run.
D.
It never opened.
【单选题】听力原文：W: Three out of four critics blamed the director for the failure of that musical. M: That's one of the problems of being a director. You get blamed for every fault. Q: What had happened to the mu...
A.
It became a hit.
B.
It was a flop.
C.
It had a long run.
D.
It never opened.
【简答题】如下图所示直流电桥中,若E=4V,R1=R2=R3=R4=100Ω,试求: (1)R1为金属应变片,其余为外接电阻,当R1的增量 R1=1Ω时,电桥输出 U为多少? (2)R1、R2都是应变片,且感受的应变极性和大小相同,其余为外接电阻,请问能否进行应变测量? (3)R1、R2都是应变片,若感受应变的极性相反,且 =1Ω,问电桥输出 U为多少?
【单选题】听力原文：W: Well, what did you think of the theater director? M: You mean Emily Thompson? She was away attending a conference. What are they talking about?
A.
A conference.
B.
A director.
C.
A theater.
D.
An author.
【单选题】------- a number of new computer programmers will be joining the team; the director will increase the number of projects for the next year.
A.
If so
B.
Rather than
C.
Owing to
D.
Given that
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