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【单选题】
下列叙述正确的是( )A.
某CH 3 COOH溶液的pH=a,将此溶液稀释1倍后,溶液的pH=b,则a>b
B.
25℃时,0.1mol·L − 1 的硫化氢溶液比等浓度的硫化钠溶液的导电能力强
C.
常温下,1.0×10 − 3 mol·L − 1 盐酸的pH=3.0,1.0×10 − 8 mol·L − 1 盐酸的pH=8.0
D.
常温下,若1 mL pH=1的盐酸与100 mL NaOH溶液混合后,溶液的pH=7,则NaOH溶液的pH=11
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【单选题】---_______see the film about Lost in Thailand(《人在囧途之泰囧》) wit h me? ---Great idea! It’s said to be_______ film of the year.
A.
What about; the funniest
B.
Why not; the funniest
C.
Why don’t you; funnier
D.
Would you; funnier
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【简答题】普通话中浊音声母共有b、d、ɡ、n四个。
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