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【单选题】
亚硝酸盐可以引起的突变是
A.
T → A
B.
C → U
C.
Glu → Gln
D.
嘧啶二聚体
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参考答案:
举一反三
【单选题】Consider the following argument: "You shouldn't break your promise, so you have to take him to the airport right now." Which of the following suppressed premises could be added to this argument to mak...
A.
You promised to take him to the airport right now.
B.
You promised to take him where he wants to go right now.
C.
If you had not promised to take him to the airport right now, then it would not be wrong to refuse to take him to the airport right now.
D.
If it would not be wrong to refuse to take him to the airport right now, then you did not promise to take him to the airport right now.
【单选题】能用作液体制剂防腐剂的是
A.
阿拉伯胶
B.
聚乙二醇
C.
山梨酸
D.
甲基纤维素
【单选题】Consider the following argument: “You shouldn’t break your promise, so you have to take him to the airport right now.” Which of the following suppressed premises could be added to this argument to mak...
A.
You promised to take him to the airport right now.
B.
You promised to take him where he wants to go right now.
C.
D.
【单选题】If a man in a wheel-chair wants to go to the platform,you should take him to the _______.
A.
escalator
B.
accessible elevator
C.
stairs
D.
moving walkways
【单选题】--Alice, why didn’t you come here yesterday? --I ____, but my son suddenly fell ill and I had to take him to the hospital.
A.
had
B.
did
C.
was going to
【简答题】 a dialogue according to the situation given below: P79 Guest: The guest's name is Bob Brown. He will have his breakfast in his room. He wants to put the room service charge to the room. He asks...
【简答题】阅读理解。 A student is learning to speak British English. He wonders, 'Can I communicate with Americans? Can they understand me?' Leaners of English often ask, 'What are the differences between British En...
【单选题】You take him to the spot to explain to him after the meeting.你会后带他到现场解释给他听。 01010199
A.
You explain to him on the spot before the meeting.
B.
You explain to him on the spot after the meeting.
C.
You explain to him there after the meeting.
D.
You explain to him in your room after the meeting.
【简答题】A student is learning to speak British English. He wonders (想知道): Can I communicate with Americans? Can they understand me? Learners of English often ask: What are the differences between British and ...
【简答题】A student is learning to speak British English. He wonders (想知道): Can I communicate(交流) with Americans? Can they understand me? Learners of English often ask: What are the differences between British ...
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