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【简答题】
零件与构件的概念是什么 零件是机器及各种设备的基本 单元。 构件是机构中的 单元体。
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举一反三
【单选题】The tree is growing taller and taller__________.
A.
year by year
B.
years by years
C.
year after year
D.
years after years
【单选题】—Look! The tree is growing well. When _____? —Three years ago. [     ]
A.
was it planted
B.
did it plant
C.
will it be planted
D.
is it planted
【单选题】Our family is very upset because the ___________ of a beautiful tree are growing too near our house and we will have to cut the tree down.
A.
stems
B.
roots
【单选题】The tree__________ is growing in the garden is a cherry tree.
A.
who
B.
which
C.
where
【单选题】The tree is growing _____________.
A.
bigger and bigger
B.
more and more big
C.
more and more bigger
D.
more bigger
【单选题】在药剂学中使用辅料的目的不包括
A.
有利于制剂形态的形成
B.
有利于节约成本
C.
提高药物的稳定性
D.
调节有效成分的作用或改善生理要求
【单选题】现金支票的收款人只能向支票的( )提示付款
A.
出票人
B.
背书人
C.
承兑人
D.
付款人
【单选题】在药剂学中使用辅料的目的不包括
A.
有利于制剂形态的形成
B.
使制备过程顺利进行
C.
提高药物的稳定性
D.
有利于节约成本
【单选题】根据增值税法律制度的规定,下列各项中,属于“销售不动产”的是( )。
A.
转让非专利技术
B.
转让土地使用权
C.
转让办公楼时一并转让其所占土地的使用权
D.
转让域名
【单选题】The banana 'tree' is actually not a real tree. This is because there is no wood in the stem(树干) rising above the ground. The stem is made up of leaves growing very close together, one inside the other...
A.
why the banana tree is not a tree
B.
how the banana grows on the stem
C.
why the stem of the tree is wood
D.
how the leaves grow out of the stem
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