题目内容

With the changes in the world's climate (气候), dinosaurs died, but many smaller animals lived on. It was the ________ of the fittest.

A) freedom
B) issue
C) survival
D) decision

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Since we are in the same team now and we do want to win, we should be _________, helping each other.

A) cooperative
B) relaxed
C) real
D) precious

These books attempt to _________ why that is, and what, if anything, should be done about it.

A) manage
B) explain
C) hug
D) handle

Each person's signature is ________. For example, my signature is different from anyone else’s.

A) huge
B) large
C) extra
D) unique

His business went under because of _________ from the large corporations (公司).

A) communication
B) concept
C) competition
D) fake