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【简答题】
加入熔体后能使熔体表面张力增加的物质称为表面__物质。
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皮皮学刷刷变学霸
举一反三
【单选题】We all know that a bright future will ______those who always look ahead instead of looking back.
A.
belong to
B.
happen on
C.
lead to
D.
turn to
【单选题】You look tired! working in door you should be out for a walk. [ ]
A.
In front of
B.
Ahead of
C.
Instead of
D.
Instead
【单选题】You’d better look _________ the positive side instead of the negative side.
A.
for
B.
on
C.
out
D.
of
【单选题】What you should do, instead, is ________and look for a solution to the problem. [ ]
A.
cheer up
B.
come up
C.
break up
D.
cut up
【单选题】门静脉高压症合并食管、胃底静脉曲张手术治疗最主要的目的是()
A.
预防肝癌
B.
预防上消化道出血
C.
防止肝功能衰竭
D.
减少腹水
E.
预防脾肿大
F.
： B
G.
9.门静脉高压症最危急的并发症是（）
H.
食管胃底静脉曲张破裂
I.
肝性脑病
J.
脾功能亢进 K. 严重顽固性腹水 L. 肝功能衰竭
【单选题】The disabled people shouldn’t ______. Instead, we should be friendly to them.
A.
look down
B.
look down on
C.
be looked down on
D.
be looked down
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