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【单选题】
常温下，有下列四种溶液：①pH＝2的CH 3 COOH溶液；②pH＝2的HCl溶液；③pH＝12的氨水；④pH＝12的NaOH溶液。下列有关说法正确的是A.
①、②、④溶液分别与足量铝粉反应，生成H 2 的量：②最少
B.
四种溶液的 K W 相同，由水电离的 c (H ＋ )：①＝③>②＝④
C.
将①、④两种溶液混合后，若pH＝7，消耗溶液的体积为：①>④
D.
向等体积的四种溶液中分别加入1000 mL水后，溶液的pH：③>④>②>①
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【简答题】I have every___(sympath)with you in your hate of frequent business trips.
【单选题】(2013·潍坊三县一模)If you don't work hard，it will be of no ________ for others to help you.
A.
sympathy
B.
significance
C.
relation
D.
sign
【单选题】听力原文：W: Hi, Tim. I'm really sorry to hear about your grandfather. My sincerest sympathies go out to you and your family. He was such a great man. M: Thanks. As you know, he had been sick for some time...
A.
He fell ill and passed away unexpectedly.
B.
He died in a traffic accident.
C.
He was ill for a certain period of time and then passed away.
D.
He passed away when he was working.
【单选题】The officer ______ those who lost sons or husbands in the mine accident last month.
A.
felt sympathy for
B.
was a sympathy of
C.
had sympathy with
D.
said sympathy on
【单选题】桑塔纳2000GLi型轿车的AFE型发动机在怠速状态下，不取下真空软管，燃油压力应为（ ）kPa。
A.
200±20
B.
250±20
C.
300±20
D.
400±20
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