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【单选题】
下列关于动物行为的叙述,错误的是 [     ]
A.
先天性行为是动物体内遗传物质所决定的行为
B.
学习行为是动物后天学习所得,与遗 传因素无关
C.
动物越高等,学习能力越强
D.
先天性行为与学习行为对动物的生存都有重要意义
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【单选题】We should be good ____all kinds of animals.
A.
to
B.
with
C.
in
D.
on
【单选题】We should do some exercise if we want to be in good health .
A.
开心
B.
熟练
C.
健康
【单选题】下列不属于人体肝脏的功能的是()
A.
解毒功能
B.
防御功能
C.
血糖转化功能
D.
消化功能
【单选题】We should be good to the people _____ are weak and poor. [     ]
A.
there
B.
they
C.
which
D.
who
【单选题】Trees To many, the word trees evokes images of such ancient, powerful, and majestic structures as the redwood and the giant sequoia (红杉), among the most massive and longest living organisms in the wor...
A.
Y
B.
N
C.
NG
【判断题】In business negotiation, usually we should be as polite as possible when we talkin order to maintian good business relations.
A.
正确
B.
错误
【判断题】纤维素分子是一种麦芽糖通过糖苷键连接起来的聚合体。
A.
正确
B.
错误
【单选题】Meterorology The science of meteorology (气象学) is concerned with the study of the structure, state, and behavior. of the atmosphere. The subject may be be approached from several directions, but the sc...
A.
Different views must be integrated to give perspective to the whole picture.
B.
The use of these tools forms that branch of the science called dgnamic meteorology
C.
There are, of course, some exceptions.
D.
This approach is coverd by the branch of the science called synoptic meteorology.
E.
The practical importance of the numerous applications of weather forcasting can not be overestimated.
F.
One important purpose of meteorology is constantly to strive, through advanced study and research, to increase our knowledge of the atmosphere with the aim of improving the accuracy of weather forecasts.
【单选题】What measures will be taken to reduce the maintenance costs at one of the plants?
A.
Structures will be restored.
B.
The plant will be closed.
C.
The costs of building materials will be reduced.
D.
A construction project will be postponed.
【简答题】粉身碎骨全不怕, 。
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