①《论语》②默而识之③诲人不倦④知之者不如好之者⑤人不知而不愠
A:②shí③huǐ④hǎo⑤wēn
B:②shí③huì④hào⑤wěn
C:②zhì③huǐ④hào⑤yùn
D:②zhì③huì④hào⑤yùn
①价值尺度 ②流通手段 ③支付手段 ④贮藏手段
Clerk: ____ I help you?
Mary: Yes, please. I want a sweater.
Clerk: What ____ do you want?
Mary: Blue.
Clerk: Here you are.
Mary: How ____ is it?
Clerk: Nine dollars.
Mary: I'll ____ it. Thanks.
Clerk: You're ____.
当看到别人要摔跤时,应说:_________.
为研究黄铜(铜锌合金)的组成,某学习小组称取该样品10g,向其中逐滴加入9.8%的稀硫酸至刚好不再产生气体为止.生成的气体与所用硫酸溶液的质量关系如图所示,请计算:(1)10g样品中锌的质量是多少克?(2)滴加的硫酸溶液质量是多少克?