下列叙述正确的是( ) A.标准状况下,22.4L水中所含的分子数约为6.02×

题型:选择题

问题:

下列叙述正确的是(  )

A.标准状况下,22.4L水中所含的分子数约为6.02×1023

B.1.00molNaCl中,所有Na+的最外层电子总数为8×6.02×1023

C.欲配置1.00L,1.00mol.L-1的NaCl溶液,可将58.5gNaCl溶于1.00L水中

D.22g二氧化碳与标准状况下11.2L氯化氢气体含有的分子数不同

考点:阿伏加德罗常数
题型:选择题

A: Advance Reservations.Can I help you?

B:小题1: 

A: Yes, we do have a single room available for those dates.

B: What is the rate, please?

A: The current rate is $50 per night.

B: 小题2: 

A: For $50 you will have a radio, a color television, a telephone and a major international newspaper delivered to your room every day.

B: That sounds not bad at all.I’ll take it.

A: 小题3: 

B: Yes, it is Charlson.

A: How do you spell it, please?

B: It’s C-H-A-R-L-S-O-N.

A: C-H-A-R-L-S-O-N. 小题4: 

B: (010)888-1000.By the way, I’d like a quiet room away from the street if that is possible.

A: 小题5: .OK.We look forward to your visit.

B: Thank you and good-bye.

A: Good-bye.

A.What services come with that?

B.A quiet room away from the street is preferred.

C.Do you have a single room with a bath for October 5?

D.What about your telephone number?E.Yes, I’d like to book a single room with a bath from the afternoon of October 4 to the morning of October 10.

F.Sorry, I forgot your telephone number.

G.Very good.Could you tell me your name, sir, please?

题型:选择题

“十一五”期间,我国住宅建筑和公共建筑严格执行节能( )的标准。

A.20%
B.30%
C.50%
D.40%

题型:选择题

幼儿园文学活动的第三个特征是______

A.提供多种与文学作品相互作用的途径
B.提供丰富的阅读资料
C.讲述幼儿喜欢的故事
D.表演有情节的文学作品

题型:选择题

在基金业务系统中定期定额修改业务的交易代码为()。

A.3890

B.3891

C.3892

D.3893

题型:选择题

氧化沥青

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