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【判断题】
当一个小齿轮驱动一个大齿轮时,输出的转矩减小;而输出的转速增大
A.
正确
B.
错误
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【简答题】阅读表达 Nobody knew why Mrs.Williams was crying so loudly in her little garden.A neighbor came over and asked her what happened.She told him,'Someone picked many of the flowers in the garden just now.It ...
【判断题】在混凝土拌和物中加入减水剂后,若保持强度及和易性不变,则可起到节约水泥的作用。
A.
正确
B.
错误
【单选题】It was in__ when he was already in ___ that he went to Yan'an.
A.
the 1940s, the 40s
B.
the 1940s, his forties
C.
1940's, his forties
D.
the 1940, his 40s
【简答题】1) Mr. Zhang a retired miner bought four chicks early this yeae.2) One day he found one of them missing.2) He got so angry that he kept blaming his wife for it all the time.3) Towards evening into his...
【单选题】He served in the army in _____ when he was in his twenties.
A.
1940’s
B.
1940s
C.
the 1940s
D.
the 1940s’
【简答题】热污染的主要来源是什么
【单选题】(2011年上半年试题60)在IE浏览器中,安全级别最高的区域是( )。
A.
Intemet
B.
本地Intranet
C.
可信站点
D.
受限站点
【单选题】His neighbor came to _______ about the volume of the music.
A.
presentation   n.    提交; 演出; 陈述,报告;
B.
complain   vi.  抱怨,诉苦; 申诉,控诉,抗议;vt.  诉说,申诉,控告;
C.
expert   n.       专家,能手; 权威; adj.  专家的;
D.
involve   vt.     包含; 使参与,牵涉;
【单选题】It was in ______ when he was in ______ that he went to Yan’an.
A.
the 1940’s, the forties
B.
the 1940’s, his forties
C.
1940’s, his forties
D.
1940’s, the his forties
【简答题】In 1940 Hughes published______.
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