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【单选题】
下列各表述与示意图图中一致的是 (  )
A.
图②表示25℃时,用0.1 mol·L -1 盐酸滴定20 mL 0.1 mol·L -1 NaOH溶液,溶液的pH 随加入酸体积的变化
B.
图①中使用的NaOH的浓度一定为2 mol/L
C.
图①表示Mg 2 + 、Al 3 + 、NH 4 + 的盐溶液中滴加NaOH溶液时,沉淀的量与NaOH的体积的关系图。则三种离子的物质的量之比为:n(Mg 2 + )∶n(Al 3 + ):n( NH 4 + )=2∶3∶2
D.
图③中曲线表示3H 2 (g)+N 2 (g) 2NH 3 (g)反应过程能量变化,若使用催化剂,B点会升高
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【简答题】改错题。 1. They had three major concerts and made a hit CD in the last six months. 2. Only a few people said they have seen them in the concert. 3. If the weather is fine, they won't go to the park next ...
【单选题】______ who lays down his life for his friends.
A.
There is no greater love than that of a man
B.
There is no greater love than a man
C.
There is no greater love than a man's
D.
There is no greater love than that of a man's
【判断题】定额成本中包括废品损失和停工损失这两个成本项目。
A.
正确
B.
错误
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【多选题】In the late 8th century they experienced invasion from Denmark and in they suffered Norman Conquest.
A.
Viking
B.
1066
【单选题】P.62-3 1.
A.
It's too formal
B.
It's old-fashioned
C.
It's too casual
D.
It's the wrong size
【单选题】世界上第一条高速铁路是
A.
TGC 东南线
B.
TGV 大西洋线
C.
东海道新干线
D.
山阳新干线
【简答题】应当教育孩子们尊敬老年人。 Children ought to be educated to _______ ________ _______ the old peopl1. 应当教育孩子们尊敬老年人。 Children ought to be educated to _______  ________  _______ the old people. 2. 学生们迫不及待期中考试后回家。 The...
【单选题】Sales slow down after the Spring Festival, but we are expecting things to _____ again this coming May Day.
A.
take over
B.
pick up
C.
come over
D.
go up
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