题目内容
（请给出正确答案）
A．is a kind of protein that many fish have stored in their bodies
B．is found in certain fish that live in extremely cold water
C．increases the freezing process of water in the ocean
D．is the key to finding the location of fish in cold regions
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更多“The Antifreeze Protein（）”相关的问题
In the conference, the mayor____________(反复强调了) the importance of environmental protection.
The way I thought of______the animal was of great value.
A．protecting
B．protect
C．being protected
D．to protect
5 A great deal has been done to remedy the situation
A maintain B improve
C preserve D protect
Preston and Xerox are__________.
A．trade names of two kinds of alcohol
B．popular manes of car engines
C．liquids used for car engines
D．trade names of a kind of antifreeze
用于定义类成员的访问控制权限的一组关键字是
A．extends 和 implements
B．public，private 和 protected
C．class和public
D．char，int，float和double
69 The economic recession has meant that job__ is a rare thing.
A security B safety C protection D secureness
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Alcohol is a good antifreeze, but when the car is running it turns hot and the alcohol bums away, so it must be replaced very often. Most persons use antifreezes that do not boil away when the engine is running. There are many chemicals that do this. One of the most popular is called ethylene glycol, which is sold under various trade names such as Preston and Xerox.
The text is written_________.
A．to help to sell antifreezes
B．to explain what antifreezes are
C．to compare ethylene glycol with alcohol
D．to tell what kind of antifreeze to choose
The author's mother often played games with him because______.
A．his mother tended to protect him too much
B．his father was not good enough at physical things
C．his father didn't have enough time to be with him
D．his mother was excellent at physical things
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A．to protect people from sunburn
B．to make people look wealthy
C．to smooth people's skin
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