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【单选题】
下列关于电解质电离的叙述中,正确的是 ( )
A.
碳酸钙在水中溶解度很小,所以碳酸钙是弱电解质
B.
碳酸钙在水中的溶解度很小,但被溶解的碳酸钙全部电离,所以碳酸钙是强电解质
C.
氯气和氨气的水溶液导电性都很好,所以它们是强电解质
D.
水难电离,纯水几乎不导电,所以电解质
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举一反三
【单选题】--- Is this the first time you ___ Xiamen? --- No. But the first time I ____ here, the city wasn’t so beautiful.
A.
visited, come
B.
visited, have come
C.
have visited, came
D.
have visted, have come
【单选题】________ was the first great prose stylist of American Romantism, and among the first of the modems to write good history and biography as literary entertainment,
A.
Hemingway
B.
Whitman
C.
Irving
D.
Cooper
【单选题】名词性从句指的是在句中名词可以充当的成分用句子来代替的从句,名词在句中可以充当主语,宾语,表语和同位语,那么下列哪一项不属于名词性从句?
A.
主语从句
B.
宾语从句
C.
表语从句
D.
定语从句
【单选题】---- Is Ann knocking at the door? --- No, it ______ be Ann. She has gone to Beijing.
A.
can’t
B.
mustn’t
C.
needn’t
D.
may not
【判断题】Ann gets Max and Deshi a drink.
A.
正确
B.
错误
【单选题】-----Is this the first time you Quanzhou? -----No. But the first time I here, the city wasn’t so beautiful.
A.
visited; came
B.
visited; have come
C.
have visited; have come
D.
have visited; came
【多选题】下列句子中,成语使用恰当的是哪几项( )
A.
学习上遇到问题,我们一定要不耻下问,虚心向老师请教。
B.
虽然积雪还没融化,然而春风已经没了冬日夫人凌冽,田间每个人都如沐春风,心情随之豁然开朗。
C.
近年来,中小学生受伤害的事故层出不穷,应引起社会的广泛关注。
D.
成功者不是守株待兔的人,往往是一面学习一面等待时机的人。
【单选题】下列有关法律的表述不正确的是哪一选项?( )
A.
在汉语中,法律不仅指成文法,也包括不成文法
B.
在西方,无论哪一个民族的语言中的“法”,都有“法”、“权利”两义
C.
中国近代以来,国法意义上的“法”,逐渐由“法律”一词所代替
D.
国法中也包括判例法、习惯法
【单选题】Mother‘s Day is thought to __________in the 19lOs, isn‘t it?
A.
first mark
B.
be first marked
C.
have first marked
D.
have first been marked
【单选题】----Is this the first time you _____Chengdu ? ----No. But the first time I _____here, the city wasn't so beautiful.
A.
visited, came
B.
visited, have come
C.
have visited, have come
D.
have visited, came
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