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【判断题】
著名的公关公司往往都集中在大型城市。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Some of the risks may be relevant to your community. Find out which ones by ______ www.GetPrepared.uk.
A.
visiting
B.
visit
C.
visited
【单选题】By measuring the different intensity of courtship, the team aims to______.
A.
find out which male birds are more attracted
B.
get information to build a standard to compare
C.
do the research in a novel way
D.
figure out how male birds respond to females
【单选题】Before entering a port the ship security officer must communicate with the port to find out which security level is applicable
A.
The Chief Officer must communicate with the port to find out which Security level is applicable
B.
The Ship Security Officer must communicate with the port to find out which Security level is applicable
C.
The Shipmaster must communicate with the port to find out which Security level is applicable
D.
The Company Security Officer must communicate with the port to find out which Security level is applicable
【简答题】下列化合物中，既显酸性又能发生酯化反应和消去反应的是：
【单选题】Which of the following is not what scientists attempt to find out about earthquakes?
A.
Time.
B.
Animals.
C.
Magnitude.
D.
Place.
【单选题】--Have you improved your spoken English ？ --Yes, I have. I've ____ improved a lot.
A.
yet; yet
B.
yet; already
C.
already ; yet
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