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【单选题】
卧式车床床鞍的粘接,一般是在床鞍导轨面上用导轨胶粘接聚四氟乙烯塑料板。导轨胶厚度一般为()。
A.
0.05~0.1mm
B.
0.1~0.15mm
C.
0.15~0.2mm
D.
0.2~0.25mm
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举一反三
【单选题】判断图115中的植物是( )。
A.
葫芦科 黄瓜属
B.
茄科 碧冬茄属
C.
葫芦科 西瓜属
D.
茄科 番茄属
【单选题】根据对经济周期的敏感度,医药行业属于哪类行业?
A.
增长型
B.
周期型
C.
防御型
D.
衰退型
【判断题】In geometry a line that cuts across two other lines is called a transversal.
A.
正确
B.
错误
【单选题】In geometry a line that cuts across two other lines is called a ________.
A.
tangent
B.
transversal
C.
deversal
D.
delegent
【单选题】At that time, many readers (found) (it) difficult (believing) what Jules Verne had written in his book (to be) tree.
A.
found
B.
it
C.
believing
D.
to be
【单选题】At that time, many readers (found) (it) difficult (believing) what Jules Verne had written in his book (to be true).
A.
found
B.
it
C.
believing
D.
to be
【单选题】With the increasing number of readers, _________ copies of the magazine are needed. [     ]
A.
many
B.
more
C.
most
【简答题】The most common fault among poor readers is the habitual of too many ______.
【单选题】Johnson is a very successful fashion designer and many people enjoy reading his       .
A.
thoughts
B.
considerations
C.
comments
D.
remarks
【单选题】根据对经济周期的敏感度,医药行业属于哪类行业?
A.
防御型
B.
衰退型
C.
周期型
D.
增长型
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