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【简答题】
什么是全浮式活塞销和半浮式活塞销?
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】________you have learned to respect others, you will find it easy to be respected.
A.
Although
B.
Once
C.
Before
D.
When
【简答题】生物体的形状、大小、结构以及细胞内的生物化学反应都和蛋白质有关．基因就是通过指导______的合成来表达自己所携带的遗传信息，从而控制生物个体的性状表现的．
【简答题】You don't have to sacrifice environmental protection to promote economic gr______.
【单选题】____ you have a map of the city, you will get lost easily. [ ]
A.
Although
B.
Because
C.
If
【单选题】Your parents have to ______ you permission before you can go for the excursion.
A.
award
B.
grant
C.
allow
D.
offer
【简答题】(1分)生物体的形状、大小、结构以及细胞内的生物化学反应都和蛋白质有关。基因就是通过指导 的合成来表达自己所携带的遗传信息，从而控制生物个体的性状表现的。
【单选题】Although you have travelled to many scenic spots before, ________ of them are as attractive as the one I visited this summer vacation. [ ]
A.
any
B.
none
C.
neither
D.
all
【单选题】Although you have learned much knowledge and a lot of theories, the problem is _______ can be put into practice.
A.
what you have learned
B.
how what you have learned
C.
that what you have learned
D.
how that you have learned
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