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【单选题】
直动型溢流阀一般不宜用于高压大流量系统的主要原因是（）A.
结构强度差
B.
调压偏差会太大
C.
动态压力超调量大
D.
调节会困难
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【简答题】Match Column B words that explain to those in Column A Column A Column B 1. pants 2. leather 3. appearance 4. pleat 5. apparel 6. outfit a .that which shows or can be seen b .animal skin c .clothing; ...
【简答题】果冻的制作工艺流程要经过( )、( )、( )等加工工序。
【简答题】听下面一段材料，回答第1至3题。 1. What will the woman buy? A. Trousers. B. A coat. C. A sweater. 2. What color is chosen by the woman? A. Black. B. Green. C. Blue. 3. Which one is the woman's choice? A. The fifth f...
【单选题】The touch excites no defensive response unless the approach is from above where the spider can see the motion, ______on its hind legs, lifts its front legs, opens its fangs and holds this threatening ...
A.
in which case it rises
B.
in that case it rises
C.
in which case does it rise
D.
such being the case it rises
【简答题】The plane crashed on the __________. 2. All __________ must be questioned. 3. Their faces __________ shock and disbelief. 4. The new government quickly suppressed the __________. 5. The new journal...
【多选题】Which ___ trousers do you like,the green one ___ the grey one?
A.
a
B.
the
C.
a pair of
D.
or
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