皮皮学，免费搜题
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【单选题】
下列不属于溶胶剂特性的是A.
可以形成凝胶
B.
能透过滤纸,而不能透过半透膜
C.
具有布朗运动
D.
具有尔效应
E.
胶粒带电
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Where Linda has her______charm, and Robert has sense of verve and suavity, Polly has only her superficial______.
A.
genteel… uncertainty
B.
infectious … pulchritude
C.
idolatrous… pluck
D.
obsequious … vivacity
E.
insufferable … vapidity
【单选题】She leaned ______ the wall while she was speaking to her friend.
A.
to
B.
against
C.
towards
D.
for
【单选题】She leaned limply against him. No tears came, for she had long since lost the ability to weep.
A.
母亲懒洋洋地靠在他身上,没有流泪,她早已失去了哭泣的能力。
B.
母亲无力地瘫靠在他身上,没有流泪。她的眼泪早已流干了。
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