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【单选题】
已知物质的量浓度相同的三种盐溶液：NaX、NaY、NaZ，它们的pH依次为：8、9、10，则这三种盐相对应的酸的酸性递减的顺序正确的是（ ）A.
HX＞HY＞HZ
B.
HZ＞HY＞HX
C.
HY＞HX＞HZ
D.
HY＞HZ＞HX
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举一反三
【单选题】Several passages were found ______ when the book ______ me.
A.
missing returned
B.
lost was returned
C.
gone was returned to
D.
disappeared was returned to
【简答题】综合填空。 阅读短文,从方框中选择恰当的词并用其适当形式填空,使短文完整正确。(每个单词限用一次,每空只填一个单词)。 clear, doctor, happy, raise, find, parents, she, share, well, hope Alice was born with a strange disease. She was taken to many hospitals. N...
【简答题】事件营销分为哪两种模式?分别举个案例,并简要分析
【简答题】I lost several （luggage）during my trip to New York.
【单选题】After searching for several hours, the boy was _____ too pleased to find his lost mobile phone.
A.
very
B.
only
C.
much
D.
just
【单选题】Having dieted for several weeks, I sincerely __________ that I have lost some weight.
A.
wish
B.
hope
C.
demand
D.
dream
【单选题】Several leaves were found______when the book______me.
A.
missing returned
B.
lost was returned
C.
gone was returned to
D.
disappeared was returned to
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