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【单选题】
Math is a difficult subject for David. He often gets _____ in class.
A.
bored
B.
excited
C.
confused
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【单选题】哺乳动物的牙齿为异型齿，分为4种类型，下列哪一种不属于
A.
柱齿
B.
犬齿
C.
门齿
D.
臼齿
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【单选题】假定8组LED接到单片机的P1口,如果仅仅P1.1口上的灯亮,其余的灭,应该给P1口的值为:
A.
0xFE
B.
0xFD
C.
0xAF
D.
0xDF
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【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.
查看完整题目与答案
【多选题】下列属于槽生牙特点的有
A.
有神经从根尖孔进入髓腔
B.
固定在颌骨内
C.
哺乳类动物包括人类长有这类牙
D.
有血管从根尖孔进入髓腔
E.
有完善的牙根
查看完整题目与答案
【单选题】听力原文：W: Would you like w have acme coffee for a break? M: Could you wait for a while? I'm trying to finish the notes before the discussion. (14)
A.
He will drink coffee after the discussion.
B.
He will have coffee later.
C.
He will drink the coffee before the discussion.
D.
He will wait for his turn to get the coffee.
查看完整题目与答案
【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
查看完整题目与答案
【单选题】听力原文：W: Oh, no! Where are my car keys? M: Relax, Kate. Are they in your purse? W: No, they're not. They're gone! M: I bet they're still on the table in the restaurant. Where does the man think the key...
A.
In the woman's car.
B.
In the restaurant.
C.
In the woman's house.
查看完整题目与答案
【单选题】听力原文：W: Masonic Anditorium. Can I help you? M: Is there a concert on Friday? W: Yeah, that's right. Jefferson Starship. M: And how much are the seats? W: Five and seven-fifty. M: And what time does it...
A.
He is inviting the woman.
B.
He is consulting a friend.
C.
He is asking information about a concert.
D.
He is buying something.
查看完整题目与答案
【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
查看完整题目与答案
【单选题】All of the following conditions promote the denaturation of DNA except
A.
low ionic strength solutions.
B.
high pH.
C.
organic solvents.
D.
high temperature.
E.
extremely low temperature.
查看完整题目与答案
相关题目：
【单选题】哺乳动物的牙齿为异型齿，分为4种类型，下列哪一种不属于
A.
柱齿
B.
犬齿
C.
门齿
D.
臼齿
查看完整题目与答案
【单选题】假定8组LED接到单片机的P1口,如果仅仅P1.1口上的灯亮,其余的灭,应该给P1口的值为:
A.
0xFE
B.
0xFD
C.
0xAF
D.
0xDF
查看完整题目与答案
【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.
查看完整题目与答案
【多选题】下列属于槽生牙特点的有
A.
有神经从根尖孔进入髓腔
B.
固定在颌骨内
C.
哺乳类动物包括人类长有这类牙
D.
有血管从根尖孔进入髓腔
E.
有完善的牙根
查看完整题目与答案
【单选题】听力原文：W: Would you like w have acme coffee for a break? M: Could you wait for a while? I'm trying to finish the notes before the discussion. (14)
A.
He will drink coffee after the discussion.
B.
He will have coffee later.
C.
He will drink the coffee before the discussion.
D.
He will wait for his turn to get the coffee.
查看完整题目与答案
【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
查看完整题目与答案
【单选题】听力原文：W: Oh, no! Where are my car keys? M: Relax, Kate. Are they in your purse? W: No, they're not. They're gone! M: I bet they're still on the table in the restaurant. Where does the man think the key...
A.
In the woman's car.
B.
In the restaurant.
C.
In the woman's house.
查看完整题目与答案
【单选题】听力原文：W: Masonic Anditorium. Can I help you? M: Is there a concert on Friday? W: Yeah, that's right. Jefferson Starship. M: And how much are the seats? W: Five and seven-fifty. M: And what time does it...
A.
He is inviting the woman.
B.
He is consulting a friend.
C.
He is asking information about a concert.
D.
He is buying something.
查看完整题目与答案
【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
查看完整题目与答案
【单选题】All of the following conditions promote the denaturation of DNA except
A.
low ionic strength solutions.
B.
high pH.
C.
organic solvents.
D.
high temperature.
E.
extremely low temperature.
查看完整题目与答案