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【单选题】
已知 MnO 4 - +8H + +5e=Mn 2 + +4H 2 O 的标准电极电势为 1 . 507V , E θ (Cl 2 /Cl - ) = 1 . 358V , E θ (Br 2 /Br - ) = 1 . 066V ,计算 MnO 4 - 可以氧化 Br - 而不氧化 Cl - 的 pH 范围为( )。A.
1.37 ＜ pH ＜ 4.86
B.
1.57 ＜ pH ＜ 4.66
C.
1.00 ＜ pH ＜ 4.66
D.
1.57 ＜ pH ＜ 5.66
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【单选题】— The government requires that every primary school student do sports for at least one hour every day. — _____. It is high time that students took exercise in order to build a strong body.
A.
That’s what I don’t agree with
B.
That’s not the point
C.
No wonder
D.
I can’t agree more
【简答题】本报评论员文章通常分为 和 两类。
【单选题】法国僧侣按照古方制成的一种被称为“圣酒”的利口酒是()。
A.
诺利·普拉( Nolily prat)
B.
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C.
本尼狄克( Benedictine)
D.
谢托利斯( Chartreuse)
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B.
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C.
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D.
Stars apparently do not follow this basi c principle of sportsmanship.
E.
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F.
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G.
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【简答题】法国僧侣按照古方制成的一种被称为“圣酒”的利口酒是 。A. 诺利•普拉（Nolily prat) B. 杜本内（Dubonnet) C. 本尼狄克丁（Benedictine D.O.M) D. 谢托利斯（Chartreuse)
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