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【简答题】
乒乓球的特点与作用
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举一反三
【单选题】Which of the following usually causes a tree to grow unhealthy?
A.
Giving a tree a special shape and a definite height.
B.
Removing small side branches and making a tree look less thick.
C.
Allowing too many branches to grow in the middle.
D.
Having a tree surrounded by many other trees.
【单选题】— If you could reduce the price _____ $20, I could increase my order. — I'm afraid the best I can do is $22. [ ]
A.
at
B.
for
C.
in
D.
to
【单选题】Which of the following is true in describing the black walnut tree?
A.
The black walnut tree is valued for its nuts.
B.
The black walnut tree is famous for its size.
C.
Every walnut tree is highly valuable and profitable.
D.
A single black walnut tree was once sold for $11,000.
【单选题】---- Could I take a few days’ leave, sir? ----- I’m afraid you can’t ___________ the work is being done.
A.
until
B.
before
C.
after
D.
as
【单选题】楼层框架梁KL端支座采用加锚头或锚件锚固时，锚固长度为（ ）。
A.
laE
B.
端柱宽-柱保护层厚度-柱箍筋直径-柱外侧纵筋直径
C.
15d
D.
max{0.5hc+5d，laE }
【单选题】“________ I have a glass of beer?” “ No, I’m afraid you ________.”
A.
Can’t; can’t
B.
Could; won’t
C.
May; daren’t
D.
Shall; may
【单选题】听力原文：W: Excuse me, I'm wondering if you could tell me how to find a place I can have my shoes fixed. I'm new in town. M: Well, of course you can always look in the yellow pages in the back of the tele...
A.
The bookstore.
B.
The telephone company.
C.
A map of the town.
D.
A shoe repair shop.
【单选题】But for your support then, I don’t think we _____ the task.
A.
can manage
B.
could have managed
C.
could manage
D.
can have managed
【单选题】---- Could I borrow your bike? ---- I’m afraid you _______.
A.
can
B.
can’t
C.
could
D.
couldn’t
【单选题】—Could you go to the beach with us this weekend? —I'm sorry I can't. I ______ study for the history test. [ ]
A.
can
B.
could
C.
may
D.
have to
相关题目：
【单选题】楼层框架梁KL端支座采用加锚头或锚件锚固时，锚固长度为（ ）。
A.
laE
B.
端柱宽-柱保护层厚度-柱箍筋直径-柱外侧纵筋直径
C.
15d
D.
max{0.5hc+5d，laE }
参考解析：
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