体细胞突变可能与以下事件有关,除了
A.致癌
B.致畸
C.动脉粥样硬化
D.衰老
E.遗传性疾病
第1题
– It’s that seat taken?
-__________.
A.Please don’t worry.
B. I don’t think so.
C. Why not?
D. It’s very nice.
第2题
A.A.Please take a seat
B.B.I dont think so
C.C.Why not
D.D.Its very nice
第3题
A.Please don't worry
B.I don't think so
C.Why not
D.It's still nice
第4题
-Excuse me, is this seat free? -().
A: No, you can't sit here
B: Sorry, it is taken
C: Yes, it is seated by a boy
D: Yes, but I don't know
第5题
听力原文:M: Is this seat taken?
W: I don't think so. The woman who was here finished her supper and left.
Q: Where did the conversation probable take place.
(3)
A.At the restaurant.
B.At the hospital.
C.At the theatre.
D.At the bank.
第6题
Host: What about a drink? Guest:______.
A.Please don't be so polite.
B.I wouldn't mind a cup of coffee.
C.Could you spare me a cup of coffee?
D.I like coffee.
第7题
Don 't forget to () your seat belt when you 're driving.
A. put up
B. put off
C. put on
第8题
May I move your bag a little and take this seat?___________.
A:I don't mind
B:It doesn't matter
C:You do it please
D:Go ahead
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