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【单选题】
治疗虚劳肺痿,( )A.
麦门冬汤
B.
炙甘草汤
C.
白术散
D.
百合固金汤
E.
清燥救肺汤
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举一反三
【单选题】The electronic digital governor is virtually maintenance free. There are no moving parts to wear and the accuracy attainable is far ______ the mechanical governor.
A.
superior to
B.
inferior to
C.
superior than
D.
inferior than
【单选题】There are ____ principles and requirements we should follow by doing mechanical practice.
A.
5
B.
6
C.
7
D.
8
【单选题】下列有关信号的说法错误的是( )
A.
信号是消息的表现形式
B.
声音和图像都是信号
C.
信号都可以用一个确定的时间函数来描述
D.
信号可以分解为周期信号和非周期信号
【简答题】There are many items that need to be guaranteed for steel. The five guarantee indexes for the mechanical properties of steel refer to , , , and .
【判断题】There are two main types: mechanical and hydraulic presses. 这句话的意思是主要有两种类型：机械压力机和液压机。
A.
正确
B.
错误
【简答题】There are two types of mechanical steering system: rack-and-pinion steering system and recirculating-ball steering system.
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