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【单选题】
在非水滴定中,以冰醋酸为溶剂,用高氯酸标准溶液滴定碱时,最常用的指示剂为( )。A.
酚酞
B.
甲基红
C.
偶氮紫
D.
结晶紫
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皮皮学刷刷变学霸
举一反三
【单选题】What is Tom up to? He's seldom turned in his assignments these days, ________? [ ]
A.
is he
B.
isn't he
C.
has he
D.
hasn't he
【单选题】He told the interviewer that he had run out of money to buy old bikes.
A.
put away
B.
turned off
C.
taken out
D.
used up
【单选题】下列有关名胜古迹的说法，正确的是( )。
A.
颐和园是中国现存规模最大、保存最完整的皇家园林，被誉为“万园之园”
B.
“江南二三大名楼”之一的黄鹤楼始建于东晋时期
C.
位于意大利的比萨斜塔为8层的圆柱形建筑
D.
悉尼歌剧院由法国著名建筑师约恩.乌松设计
【单选题】Obviously, he’s very disappointed at the way things have_____.
A.
turned up
B.
turned out
C.
turned on
D.
turned down
【简答题】A．He ate the honey. B．He drank the beer. C．He chased the people away. D．He turned things upside down.
【简答题】A．He ate the honey. B．He drank the beer. C．He chased the people away. D．He turned things upside down. Section C
【单选题】He promised to come, but he hasn't ______ yet.
A.
turned up
B.
turned over
C.
turned out
D.
turned back
【单选题】What happened to Hamer's research interest?
A.
He turned to basic research.
B.
He sticked to basic research.
C.
He turned to behavioral genetics.
D.
He sticked to behavioral genetics.
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