皮皮学，免费搜题
登录
搜题
【单选题】
40 mol · L -1 丙酸 ( K a = 1.3 × 10 -5 ) 溶液的 pH 是A.
0.40
B.
2.64
C.
5.28
D.
4.88
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】____ three days to go before the final exams, shouldn’t you work harder?
A.
In
B.
On
C.
By
D.
With
【单选题】Joanna is no less hardworking than her twin sister, _______ she failed in the final exam.
A.
but
B.
so
C.
or
D.
and
【单选题】Of the three questions the first one is the ___ difficult .
A.
least
B.
much
C.
more
D.
less
【简答题】从软件开发工具的发展趋势看,___________化、网络化、___________化和标准化是值得重视的动向。
【简答题】Her last three months of life before______(give)a final, lethal injection by his doctor were filmed and first shown on television last year.
【单选题】The storm went on for ______ .
A.
over three hours
B.
three hours
C.
less than three hours
【简答题】A．A third. B．Almost half. C．Less than three-fifths. D．More than three-fifths.
【简答题】to use three times less fuel than current cars
【单选题】Having consecutively won their last three games, the Atlanta Braves go into the final round with a lot of_____.
A.
concern
B.
confidence
C.
concept
D.
confrontation
相关题目：
参考解析：
知识点：
题目纠错 0
发布
