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【单选题】
正反馈调节的作用是使
A.
人体血压稳定
B.
人体体液理化特性相对稳定
C.
人体活动按某一固定程序进行,到某一特定目标
D.
体内激素水平不致过高
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参考答案:
举一反三
【单选题】— I thought you were proud of the coat I ________. — I'm afraid not. You'd better change it for another. [     ]
A.
would wear
B.
had worn
C.
wore
D.
wear
【单选题】最先发现肺炎链球菌转化现象的科学家是
A.
Griffith
B.
Avery
C.
Luria
D.
Lederberg
E.
Delbruck
【单选题】听力原文:M: If you're not too busy tonight, how about catching a movie? W: I thought you had to work on that big presentation you are making in front of the board members tomorrow. Have you already prepar...
A.
Today.
B.
Tomorrow.
C.
This Friday.
D.
Next week.
【单选题】I  thought you 1ike somethjngto read , so I have brought you some books .
A.
. may             
B.
. might           
C.
. could           
D.
. must
【单选题】—Did you take enough money with you? —No, I needed ______ I thought I would.
A.
not so much as
B.
as much as
C.
much more than
D.
much less than
【单选题】--What are you doing this weekend? --I haven't decided yet.____________? --Well, I thought we could have another family party.
A.
What
B.
All right
C.
Why
D.
Pardon
【单选题】最先发现肺炎链球菌转化现象的科学家是()。
A.
Griffith
B.
Avery
C.
Luria
D.
Lederberg
【单选题】大齿轮带动小齿轮,小齿轮转得速度()
A.
B.
C.
不变
D.
不知道
【判断题】大齿轮带动小齿轮转动,小齿轮速度快。
A.
正确
B.
错误
【单选题】I had never expected you to turn _______ at the meeting. I thought you were in Shanghai。
A.
around
B.
on
C.
in
D.
up
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