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【简答题】
液压缸是将液体的压力能转变为 能的能量转换元件,液压马达是将液体的压力能转变为 能的能量转换元件。
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举一反三
【单选题】Store the peppercorns in an airtight ___________ and grind the pepper as you need it.
A.
contained
B.
contain
C.
container
D.
containers
【单选题】两根绳子，长的一段是24米，短的一段是18米。两根都截去相同长度的一段后，长的绳子的长度是短绳子长度的4倍。剪短后，长的绳子有多少米( )
A.
6米
B.
2米
C.
8米
D.
4米
【简答题】把一根8米长的细绳平均分成5段，每段长的长度是这根细绳的 () () ，每段长______米．每段长的长度是1米的 () () ．
【单选题】Which of the following is the typical behavior. of the grind?
A.
They have all color of socks in the sock drawer.
B.
They never fail to do a certain amount of study every evening.
C.
They write down everything the teacher says in the class.
D.
They don't even take a break on the weekends.
【简答题】Complete each of the following statements with words taken from the text. Write TWO or THREE WORDS for each sentence. 1)Calligraphy is one of the four basic skills and disciplines of the Chinese liter...
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