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【单选题】
自然界中的水是通过多种路线实现其循环和相变的，下列各项关于水循环的说法中，正确的一项是( )。A.
太阳辐射和重力作用是形成水循环的内因
B.
降水、蒸发和径流是水循环过程的三个最主要环节
C.
海洋和陆地之间水的往复运动过程，被称为水的小循环
D.
地球上有75％的水存在中，其余部分则存在于、大气和生物体中
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【单选题】The project manager is working to clearly describe the level of involvement expected from everyone involved in the project in order to prevent rework,conflict,and coordination problems.Which of the fo...
A.
Develop Project Management Plan and Plan Quality.
B.
Problem solving,control,and discovering gold platin
C.
Verify Scope and Control Quality.
D.
Monitor and Control Risk.Develop Project Team,and Lessons Learne
【简答题】写出你所知道的在景观中的人的活动类型?
【单选题】Tom is a _______ person. He thinks no one can be successful without ________.
A.
hard-working, hard work
B.
hard-working, work hard
C.
working-hard, hard work
D.
working-hard, work hard
【单选题】To get an education, _________.
A.
working hard is very important
B.
working hard is needed
C.
one must work hard
D.
it is needed to work hard
【简答题】三相异步电动机调速常用方法是( )。 A 、改变定子绕组磁极对数 B 、改变电源频率 C 、改变负载大小 D 、改变功率因数
【单选题】Mary is a good student. She is . [ ]
A.
working hard girl
B.
a working hard girl
C.
hard-working
D.
a working-hard girl
【单选题】It is ______ to improve the working conditions for the construction workers.
A.
worthwhile
B.
worth
C.
worthy
D.
worthy of
【单选题】It is said in the passage that when the economy slides______.
A.
men would choose working women as their marriage partners
B.
more women would get married to seek financial security
C.
even working women would worry about their marriages
D.
more people would prefer to remain single for the time being
【单选题】Don't have the horse ______ all the time. It needs a good rest. [ ]
A.
be working
B.
working
C.
to work
D.
work
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