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【单选题】
内环境是指
A.
生理、心理的变化
B.
自然环境的变化
C.
社会环境的变化
D.
居住环境的变化
E.
政治环境的变化
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【单选题】It’s necessary that not only ____to see a doctor but also stay at home for a good sleep. A. Bob should go B. did Bob go C. Bob’s going D. should Bob go
A.
B.
C.
D.
D
【单选题】At Spring Festival, we ________ a big family dinner. [     ]
A.
has
B.
have
C.
play
【单选题】At Spring Festival we often______ “Happy New Year” to each other.
A.
speak
B.
say
C.
tell
D.
talk
【单选题】It’s necessary that he ______ a recognized qualification. A. has                       B. have C. had                       D. having
A.
has
B.
have
C.
had
D.
having
【判断题】在垄断市场中,供给者的平均收益曲线与边际收益曲线处于分离状态。()
A.
正确
B.
错误
【判断题】在垄断市场中,供给者的平均收益曲线与边际收益曲线处于粘合状态。()
A.
正确
B.
错误
【简答题】It’s necessary that the president ________ in time to attend the meeting. A) came B) will come C) come D) comes
【单选题】在贝尔格题献勋伯格的作品《室内协奏曲》中,第一乐章的三个声部不包括:
A.
圆号
B.
长笛
C.
小提琴
D.
钢琴
【单选题】在XOY平面上绘制一个圆,拉伸时设置开始距离为15,结束距离为35,请问拉伸出的圆柱高度为多少?
A.
15
B.
35
C.
20
D.
50
【单选题】why do people eat fish at spring festival?
A.
because it smeans “万事如意年年高”
B.
because we hope we can  get more and more next year.
C.
because it looks like gold ingots.
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