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【单选题】
我们应把对外开放的立足点和归宿点放在( )
A.
吸收、借鉴世界一切文明成果上
B.
增强我国自力更生的能力上
C.
发展对外经济关系上
D.
发展睦邻友好关系上
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【简答题】Lagerstroemia indica
【单选题】密度梯度离心法又称为
A.
分离离心法
B.
组分分离法
C.
区带离心法
D.
低速离心法
E.
高速离心法 1
【单选题】Why do we use topic sentences?
A.
We use it as an extra sentence to make it look like we've done more work.
B.
We use it to tell the reader what is being talked about in a paragraph.
C.
We use it to give a summary of the essay.
D.
We use it to state the purpose of the entire paper.
【单选题】We can conclude from the last paragraph that_____.
A.
test scores may not be reliable indicators of one's ability
B.
IQ scores and SAT results are highly correlated
C.
testing involves a lot of guesswork
D.
traditional tests are out of date
【单选题】—We’ve finally found the solution with the help of Hans! It’s really great! —____, you know.
A.
Two heads are better than one
B.
Birds of a feather flock together
C.
The early bird catches the worm
D.
Great minds think alike
【判断题】管道支架制作安装定额未包括除锈工作,需另外计价:
A.
正确
B.
错误
【单选题】We have been told that under no circumstances we can use the telephone in the office for personal affairs.
A.
did we use
B.
may we use
C.
we may use
D.
we could use
【简答题】We can conclude from the last paragraph that [A] test scores may not be reliable indicators of one's ability [B] IQ scores and SAT results are highly correlated. [C] testing involves a lot of guesswor...
【单选题】We might use more of our native memory power if we learnt how to use it at school.
A.
Y
B.
N
C.
NG
【单选题】密度梯度离心法又称为 (   )
A.
分离离心法
B.
组份分离法
C.
区带离心法
D.
低速离心法
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