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【简答题】
按用途和植物学系统相结合可以把作物分为几部分几类？
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参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】怎样的一生是值得过的 ? 不同的人有不同的回答。伟大的共产主义战士雷锋说,人生在世,只有勤劳、发愤图强,用自己的双手创造财富,为人类的解放事业贡献自己的一切,这才是最幸福的。由此可知,雷锋的人生观是 ( )
A.
能够活出自己的人生，实现自我价值
B.
在看到别人的需要时付出自己的爱心，无论事情 大小，都能承担起自己的责任
C.
将个人追求建立在人类共同需要的基础上
D.
享受生活本身的丰富多彩，探索生命无穷的奥秘
【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】你在今天实验中,对物料颜色判断的准确率如何评价?为什么?
【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.
【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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