皮皮学,免费搜题
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搜题
【判断题】
容量瓶不能加热
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】本院校学习通邀请码是多少?
A.
yzschg
B.
schgyz
C.
schg
D.
hg
【单选题】在施肥播种机上,排种器和排肥器的动力来源于( )。
A.
拖拉机动力输出轴
B.
播种机行走轮
C.
变速箱
D.
一齿轮箱
【单选题】本院校学习通邀请码是多少?
A.
yzschg
B.
xnyk
C.
lzzyyz
D.
hg
【单选题】在高效液相色谱中,色谱柱的柱长度一般在( )范围内。
A.
10~30cm
B.
20~50m
C.
1~2m
D.
2~5m
【单选题】Because of the economic slump, there are only ______ on the beach as before.
A.
one-fifth tourists as many
B.
one-fifth as many tourists
C.
tourists one-fifth as many
D.
tourists as one-fifth many
【单选题】of the students boys in our class. [     ]
A.
One fifth; are
B.
One fifths; are
C.
First fifths; is
D.
One five; is
【单选题】About_______ of the books in our school library________ written in English.
A.
one-fifth, are
B.
one-fifths, is
C.
one-fifth, is
D.
first-fifth, are
【单选题】在高效液相色谱中,用于分析的色谱柱长度一般在以下哪一范围内(    )
A.
10~30cm
B.
30~50cm
C.
50~100cm
D.
1~5m
【简答题】A.About one half. B.About one third. C.About one fourth. D.About one fifth.
【单选题】下列软件中,可以对图像进行处理的有( ).1美图秀秀 2Photoshop 3ACDSee 4ColdWrave
A.
②③④
B.
①③④
C.
①②③
D.
①②④
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