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【简答题】
CPU224CN AC/DC/RALY 共有 个输入点, 个输出点。
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举一反三
【单选题】世界上最早养蚕和织造丝绸的国家是( )。
A.
中国
B.
印度
C.
日本
D.
【简答题】轴承是用来支承( )及轴上零件,以保证轴的旋转精度,减少轴与支承面间的摩擦和磨损。
【判断题】中国是世界上最早饲养家蚕和织造丝绸的国家,宋元时织造工艺达到历史最高水平。
A.
正确
B.
错误
【单选题】中国是世界上最早饲养家蚕和织造丝绸的国家,因而曾被古代世界各国称为( ),意思是“丝国”。
A.
华夏
B.
塞里斯
C.
中华
D.
神州
【单选题】( )是世界上最早养蚕和织造丝绸的国家。
A.
中国
B.
古代希腊
C.
古代印度
D.
古埃及
【单选题】It is frequently assumed that the mechanization of work has a revolutionary effect on the lives of the people who operate the new machines and on the society into which the machines have been introduc...
A.
The effects of the mechanization of women's work have not borne out the frequently held assumption that new technology is inherently revolutionary.
B.
Recent studies have shown that mechanization revolutionizes a society's traditional values and the customary roles of its members.
C.
Mechanization has caused the nature of women's work to change since the Industrial Revolution.
D.
The mechanization of work creates whole new classes of jobs that did not previously exist.
【单选题】以下不属于正确的良肢位作用
A.
对抗痉挛模式的出现
B.
保护肩关节
C.
早期诱发分离运动
D.
属于长期治疗性体位
【单选题】_____ has assumed a place among the great documents of human .
A.
The Emancipation Proclamation
B.
The Homestead Act
C.
The Declaration of Independence
D.
Lasissez-faire policy
【判断题】轴承是用来支承轴及轴上零件,以减少轴与支承面间的摩擦和磨损。
A.
正确
B.
错误
【单选题】According to the passage, ______ will be the victim of the tax-cut.
A.
President Bush
B.
the Republican
C.
the Democrats
D.
elderly Americans
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