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【单选题】
设数列的通项公式 是一个函数,则它的定义域是( )。A.
自然数集N
B.
一定是正自然数集
C.
自然数集N的一个有限子集
D.
或{1,2,3，...，n}
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举一反三
【单选题】Those who ______ the weather as a conventional opening seem to be ignorant of the reason why human beings wish to talk.
A.
dispose
B.
dispatch
C.
dismiss
D.
despise
【简答题】讨价可分为全面讨价→分别讨价→( )三个阶段。
【单选题】Which of the following is the reason for the popularity of gap year?
A.
The example Prince William set in Chile.
B.
The blurbs of gap companies.
C.
The growth of the number of charities and private companies.
D.
The intervention of parents.
【单选题】听力原文： Some people are right-handed and some are left-handed. No one knows the reason why a person becomes right-handed or left-handed. It is not true that it is caused by the way in which his parents ...
A.
the education of the parents
B.
the education of the teachers
C.
the practice of oneself
D.
the example of the friends
【单选题】中国共青团是广大青年在实践中学习的学校 ,以下选项中,对会议时间或主要内容描述错误的是( )
A.
1957年5月 ， 中国新民主主义青年团召开第三次全国代表大会，决定把团的名称改为中国青年团
B.
2003年7月，共青团第十五次全国代表大会召开，选举产生了现任团中央委员会
C.
1949年4月，召开 共 青年团第一次全国代表大会，宣告 共 青年团正式成立
D.
1957年5月，中国新民主主义青年团召开第三次全国代表大会，大会还决定把解放前后的 中国社会主义青年团 、 青年团 和新民主主义青年团的历次代表大会衔接起来
【简答题】In this part, you are allowed to write a letter to express your apologize for the reason why you can't attend the foreign language class. You should write a letter to your teacher to show the reason a...
【单选题】The reason why the car stopped was ______.
A.
because the road was not good
B.
that the road was not good
C.
due to the bad road
D.
because of the bad road
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