皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
标定某盐酸溶液时,准确称取基准无水碳酸钠0.3026g,溶于水,滴定用去盐酸28.88mL,则该盐酸的物质的量浓度为[M(Na 2 CO 3 )=106.0 g/mol ( )。
A.
0.09885 mol/L
B.
0.1977 mol/L
C.
0.3954 mol/L
D.
0.2008 mol/L
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】要求同上。 Few people would ever think of beginning a new job when they are old, but Anna didi it ait the age of 76. Whe was (1)_________ in a poor family. After working on the farm for many years, she tur...
【单选题】[2017·全国卷III]39
A.
B.
C.
D.
E.
F.
G.
G
【单选题】唐朝以( )为美,成就了杨玉环,她的形象成为盛唐的标杆。
A.
B.
C.
骨感
D.
时尚
【单选题】— When did you get home last Friday? — It was not until midnight ______ it was raining hard. [     ]
A.
when
B.
which
C.
before
D.
that
【单选题】[2017·全国卷III]23
A.
B.
C.
D.
D
【单选题】It was in that small room ______ they worked hard and dreamed of better days to come.
A.
where
B.
in which
C.
which
D.
that
【单选题】下面词语中,第一个音节应变读为24或35的是?
A.
打扫
B.
打听
C.
打球
D.
打工
【单选题】下面词语中,第一个音节应变读为 35 的是( )。
A.
不好
B.
不去
C.
不来
D.
不求甚解
【单选题】[2017·全国卷III]37
A.
B.
C.
D.
E.
F.
G.
G
【单选题】It is really hard to find a nice place in this city         we can have a picnic.
A.
where
B.
that
C.
which
D.
when
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题