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【单选题】
随着文明的进步,身体活动在人们日常生活中的分量趋势是()。A.
逐渐减少
B.
稳定不变
C.
渐增多逐
D.
快速增多
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【单选题】挖掘机正铲作业时，最大开挖高度和深度不超过机械本身性能的规定;反铲作业时，履带距工作面边缘距离应大于( ) m。
A.
3;
B.
2.5;
C.
2;
D.
1.5;
E.
1;
【简答题】正铲作业时，作业面应不超过本机性能规定的最大开挖高度和深度，在拉铲或反铲作业时，挖掘机履带或轮胎与作业面边缘距离不得小于（）
【简答题】Churchill's full name was Winston Leonard Spencer Churchill. He was born in 1874. He was educated at Harrow School and the Royal Military College, Sandhurst. In 1900 Churchill was elected a member of ...
【简答题】If you visited Karl Green, you might not atfirst sight think he was (1). Most of what he owns is rather (2) and he will readily admit to (3) the bottom income (4). Yet he would (5) that he is poor,...
【单选题】挖掘机正铲作业时，除松散土壤外，其最大开挖高度和深度，不应超过机械本身性能规定．在拉铲或反铲作业时，轮胎距工作面边缘的距离应大于____．
A.
0．5 m
B.
1 m
C.
1．5 m
D.
2 m
【单选题】Read the following excerpt and choose the right one. If I am out of my mind, it's all right with me, thought Moses Herzog. Some people thought he was cracked and for a time he himself had doubted that...
A.
Norman Mailer
B.
Ralph Ellison
C.
Philip Roth
D.
Saul Bellow
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