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【简答题】
所谓国体,是指( ),即国家的阶级属性,主要指社会各阶级在国家中的( ),还有国家赖以建立的社会( )。
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举一反三
【单选题】– You look very tired this morning. What did you do last afternoon? -- I did _______ Christmas shopping.
A.
a number of
B.
a few of
C.
a lot of
D.
a piece of
【单选题】You look very tired. You ____ too hard these days.
A.
could have worked
B.
ought to have worked
C.
should have worked
D.
must have worked
【单选题】—You look very tired this morning. What did you do yesterday afternoon? —I did Christmas shopping. [ ]
A.
a lot of
B.
a few of
C.
a number of
D.
a piece of
【单选题】—You look very tired_______at all last night?—N
A.
7. —You look very tired_______at all last night? —No,not really.I’m stired out now. ( 全国 2) A.Do yousleep
B.
Were you sleeping
C.
Did yousleep
D.
Had you slept
【单选题】You look very tired. You ____ late last night.
A.
needn’t sit up
B.
didn’t need to sit up
C.
shouldn’t sit up
D.
needn’t have sat up
【简答题】由式ω=△(pv)+ω t 可知，体积功叫总是大于技术功ω t 。( )
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