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【判断题】
液压缸差动连接时,左、右两腔压力不相等,但是,由于无杆腔有效工作面积大杆腔有效工作面积,因此,无杆腔活塞受到的液压推力大杆腔的液压推力,迫使活塞杆作外伸运动,并使有杆腔中的油液流入无杆腔。A.
正确
B.
错误
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举一反三
【多选题】Basically there are two types of documentation systems, they are:
A.
Author-year system
B.
In-text citation system
C.
Number system
D.
A lphabetical order system
【单选题】听力原文：Right. Basically there are three parts of the plant -- the supply area, the assembly area and the dispatch area. Firstly, the raw materials come by truck and are offloaded onto a conveyor. The co...
A.
bank manager
B.
salesperson
C.
production manager
D.
marine insurance agent
E.
office manager
F.
job adviser
G.
manager of a factory
H.
theatre manager
【简答题】Basically there are 4 different cell sizes - Macro, micro, pico and umbrellacells.
【多选题】Basically there are 3 strategies in ads transaltion :
A.
Literal translation
B.
Liberal translation
C.
Creative translation
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