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【单选题】
M: May I speak to John Smith? W: John Smith? Oh, no. There is nobody called John Smith here. 18. What does the man mean?A.
John Smith is out.
B.
The woman has got a wrong number.
C.
Nobody knows John Smith.
D.
The man will look for John Smith later.
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【单选题】Dick owns a dog whose barking annoys Dick's neighbor Jane. Dick receives personal benefit from owning the dog, and Jane bears a cost of Dick's ownership of the dog. Assuming Jane has the legal right t...
A.
If Dick's benefit exceeds Jane's cost, government intervention is necessary.
B.
Dick will pay to keep his dog if his benefit exceeds Jane's cost.
C.
If Jane's cost exceeds Dick's benefit, Dick will pay Jane to keep his dog.
D.
If Jane has the legal right to peace and quiet, no further transactions will be mutually beneficial.
【单选题】关于微生物分离与纯化说法错误的是
A.
从混杂的微生物群体中获得只含有某一种或某一株微生物的过程称为微生物的分离纯化
B.
一次分离纯化就一定可以得到纯培养物
C.
分离纯化的目的是为了获得纯培养物,纯培养物能较好地被研究、利用和重复结果
D.
分离纯化操作过程中要严格执行无菌操作
【单选题】-Everyone blames Dick for breaking the window. -_______ He was busy doing his homework then.
A.
It‘s unfair.
B.
He is to blame.
C.
Why not?
D.
Not surprising.
【简答题】3.
Dick is everyone’s image of a t ____teacher , patient and friendly.
【简答题】听短文，回答问题。 1. What's Dick's sister's name? A. Dick B. Joan C. Mary 2. Dick doesn't have _____. A. a racket B. a volleyball C. a sister 3. What does Dick's sister like? A. Soccer B. Volleyball C. Tennis...
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