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【简答题】
单词填空(共15小题;每小题1分,满分15分) 71.  I lost my _______ (平衡) and fell on my face. 72.  You must _________ (道歉) to your sister for being so rude. 73.   The robber was _________ (观察)entering the bank. 74.  On the _________ (相反),the job was fascinating. I love it. 75.  What she said _________ (使信服)me that I was mistaken. 76.  He is not _________ (可能) to succeed. 77.  His arms _________ (摇摆) as he walked. 78.  It was _________ (考虑周到) of you not to play the piano while I was having a sleep. 79.  Some of the violent _________ (场面) are very frightening. 80.  Not much _________ (解释) will be needed. 81.  A postman is a man _________ (递送) letters and parcels. 82.  I prefer to live in a house _________ (包围) with trees and flowers. 83.  The criminal escaped over the _________ (国界). 84.  She has _________ (主演) in a variety of films. 85.  I don’t go along with her _________ (宗教上的) beliefs?
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【单选题】在( )情况下,税收全部向前转嫁,落在生产要素的购买者身上。
A.
需求完全无弹性
B.
需求完全有弹性
C.
求富有弹性
D.
需求缺乏弹性
【简答题】如果函数f(x)在区间[a,b]上连续,在(a,b)上可导且导数恒为零,试用微分学方法证明f(x)在(a,b)上一定是一个常数.
【单选题】在( )情况下,税收全部向前转嫁,落在生产要素的购买者身上。
A.
需求完全无弹性
B.
需求完全有弹性
C.
需求富有弹性
D.
需求缺乏弹性
【单选题】如果f(x)在[a,b]上连续,在(a,b)内具有二阶导数,若在(a,b)内,f(x)>0,则f(x)在[a,b]上的图形是()的
A.
B.
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【简答题】如果函数f(x)在[a,b]上连续,在(a,b)内可导,则在(a,b)内至少存在一点ξ,使得f(b)-f(a)=________。
【判断题】如果f(x)在(a,b)内存在导数为0的一点,那么一定有f(x)在[a,b]上连续,(a,b)内可导,且f(a)=f(b).
A.
正确
B.
错误
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【多选题】“We are about to witness an orgy of self-congratulation as the self-appointed environmental experts come out of their yurts, teepees, and grant-maintained academic groves to lecture us over the impend...
A.
Euphemism
B.
Dysphemism
C.
Downplayer
D.
Innuendo
E.
Ridicule/Sarcasm
F.
Hyperbole
G.
Rhetorical comparison
H.
Proof surrogate
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