问题
选择题
浓硫酸不具有的性质是
A．吸水性
B．脱水性
C．挥发性
D．强氧化性
答案
答案：C
题目分析：浓硫酸有吸水性、脱水性和强的氧化性，它的沸点较高，所以没有挥发性。选项为C。
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浓硫酸不具有的性质是
A．吸水性
B．脱水性
C．挥发性
D．强氧化性
答案：C
题目分析：浓硫酸有吸水性、脱水性和强的氧化性，它的沸点较高，所以没有挥发性。选项为C。
(The Smiths are going to Mount Wuyi for a holiday. Now Mr. Smith is booking rooms by telephone.) Woman: Hello. The Seaside Hotel. ___1___ Mr. Smith: Yes, please. I’d like to book two rooms for the coming weekend. Woman: Next weekend? ___2__ Mr. Smith: Oh! Just two. Woman: OK. Two nights. From Friday or Saturday? Mr. Sritith: Friday. Woman: Friday, July lst … And do you need single rooms or double? Mr. Smith: ___3__ Woman: Right. Two doubles for Friday and Saturday, July 1st and 2nd. Mr. Smith: __4__ Woman: Well, it’s 380 yuan per night, with breakfast. Mr. Smith: I see. Can I book the rooms now? Woman: Certainly. ___5___ Mr. Smith: Rick Smith.
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