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【单选题】
造岩矿物是指( )。A.
组成岩石的单质
B.
组成岩石的化合物
C.
组成岩石的矿物
D.
组成岩石的元素
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皮皮学刷刷变学霸
举一反三
【单选题】B Read a passage and choose the best answer. Most room service orders are given by telephone. The telephone is therefore the first point of contact with room service staff and good telephone technique...
A.
More than four rings
B.
More than five rings
C.
No more than three rings
D.
No more than two rings
【单选题】When teachers are mentioned to act as a facilitator, they should be acting
A.
easily.
B.
familiarly.
C.
fast.
D.
helpfully.
【单选题】______ is a format in which four teams compete on a different motion for every round. Two teams are on the propositional side and two teams are on the oppositional side. The adjudicator must rank the ...
A.
POI
B.
AA
C.
BP
D.
AP
【单选题】_________ are the days when teachers punished students for minor offenses, being late for school, for example.
A.
Gone
B.
Go
C.
To go
D.
Going
【简答题】外力按作用方式,分为表面力和体积力。 如果表面力集中作用于一点,这种力称为 ;作用范围不能忽略的力,称为 。
【简答题】—Guess what？I came first in that contest. —Great！You ________ a lot during the past two weeks. A．must practise B．should practise C．should have practised D．must have practised
【单选题】______ are the days when teachers were looked down upon.
A.
Gone
B.
Go
C.
Togo
D.
Going
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