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【简答题】
设 在 上有三阶连续导数 , 且 , 证明 : , 使
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: There is discussion of England and the United States now pushing to forgive the debt of the poorest countries in the world. Do you think that's a good idea? M: I think it's a good idea. I mean...
A.
The relationship between England and the United States.
B.
The low income in some countries.
C.
The financial and banking rules and systems.
D.
The forgiveness of the low-income countries' debt.
【单选题】听力原文：M: I would like to make a reservation for a flight to Las Vegas for March 8th. W: Sorry, but all flights to Las Vegas are fully booked on March 8th. Actually, our flights to Las Vegas are all boo...
A.
On March 8th
B.
On March 9th
C.
On March 10th
D.
On March 12th
【单选题】右图为哺乳动物牙齿的结构，据图可以判断两类动物的食性，下列叙述正确的是
A.
①为肉食动物，②为草食动物
B.
①、②均为肉食动物
C.
①为草食动物，②为肉食动物
D.
①、②均为草食动物
【单选题】Japan is described in the passage as a country that attaches importance to ______.
A.
all-round development
B.
the learning of Western music
C.
strict training of children
D.
variety in academic studies
【单选题】如图为哺乳动物牙齿的结构，据图可以判断两类动物的食性，下列叙述正确的是（ ）
A.
①为肉食动物，②为草食动物
B.
①、②均为肉食动物
C.
①为草食动物，②为肉食动物
D.
①、②均为草食动物
【单选题】下列哪一项能完全适用于描述哺乳类动物（）。
A.
哺乳动物都有毛，是表皮角质化的产物
B.
哺乳类都是胎生的和哺乳的
C.
所有哺乳类的身体都可以分为头、颈、躯干、尾和四肢五部分
D.
哺乳动物均具有牙齿，且均为异型齿
【简答题】promote all-round development of human being
【单选题】The exhibition of poor sportsmanship______ a sense of disgust in all who witnessed it.
A.
rose
B.
arose
C.
aroused
D.
raised
【单选题】听力原文：W: July 14th, just a month after my brother. Q: When is the birthday of the woman's brother? (3)
A.
June 4th.
B.
June 14th.
C.
July 4th.
D.
July 14th.
相关题目：
【单选题】右图为哺乳动物牙齿的结构，据图可以判断两类动物的食性，下列叙述正确的是
A.
①为肉食动物，②为草食动物
B.
①、②均为肉食动物
C.
①为草食动物，②为肉食动物
D.
①、②均为草食动物