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【单选题】
流量控制阀是用来控制液压系统的油液的流量,从而控制执行元件的( )。A.
运动方向
B.
运动速度
C.
压力大小
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反馈参考答案：
举一反三
【判断题】Nanjing ape man is by far the oldest human fossils found in the territory of Jiangsu.
A.
正确
B.
错误
【单选题】What was the skeleton named after? 查看材料
A.
An ape-man.
B.
A song.
C.
A singer.
D.
A camp.
【单选题】Children laughed at Hank and called him ‘Ape Man’ because ______.
A.
he didn’t talk to them
B.
he kept away from them
C.
his arms touched the ground when he moved
D.
he couldn’t use his arms
【单选题】The developmental history of the society tells us that man has _____ from the ape.
A.
evolved
B.
promoted
C.
fostered
D.
emerged
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