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【单选题】
滴定分析的相对误差一般要求为±0.1%,滴定时消耗用标准溶液的体积应控制在( )A.
10mL以下
B.
15～20mL
C.
20～30mL
D.
40～50ml
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反馈参考答案：
举一反三
【单选题】She got married while she was still___.
A.
in her teens
B.
in her teen
C.
a teen
D.
the teen
【简答题】A．A snake. B．A rabbit. C．A bird. D．She was still hesitating.
【单选题】She agreed earlier, but she was still a little late. [ ]
A.
coming
B.
to come
C.
has come
D.
on coming
【单选题】She got married while she was still _____.
A.
in her teen
B.
in her teens
C.
a teen
D.
teenager
【单选题】Helen’s parents were______that she was still on the job, but she had resigned.
A.
in doubt
B.
of the opinion
C.
under the impression
D.
with suspicion
【单选题】关节的基本构造包括
A.
关节囊、关节腔、关节韧带、籽骨
B.
关节囊、关节腔、关节软骨、籽骨
C.
关节囊、关节面、关节腔、关节软骨
D.
关节囊、关节腔、关节盘、籽骨
【单选题】关节的基本构造包括( )
A.
关节囊、关节腔、关节韧带、籽骨
B.
关节囊、关节腔、关节软骨、籽骨
C.
关节囊、关节面、关节软骨、籽骨
D.
关节囊、关节腔、关节盘、关节软骨
E.
关节囊、关节腔、关节面、关节软骨
【多选题】人民代表大会代表是国家权力机关的组成人员,我国各级人民代表大会代表
A.
由民主选举产生，来自人民，受人民监督，为人民服务，向人民负责
B.
有一定任期
C.
宪法赋予他们特有的权利和义务
D.
都是国家干部
【单选题】The doctor was very tired ______ she was still working very hard. [ ]
A.
but
B.
and
C.
or
D.
so
相关题目：
【单选题】She got married while she was still _____.
A.
in her teen
B.
in her teens
C.
a teen
D.
teenager
参考解析：
知识点：
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