--- What did she say？ --- Oh，nothing _______. She only wanted to give me a hand.

题干

--- What did she say？
--- Oh，nothing _______. She only wanted to give me a hand.

A：in short

B：in fu

C：in use

D：in particular

上一题下一题 0.0难度选择题更新时间:2014-08-20 07:22:44

选项	工艺	叙述
A	谷物酿酒	陈酿酒散发浓香是因为发生了酯化反应
B	烧制陶瓷	涉及反应的方程式为CaCO₃+SiO₂=CaSiO₃+CO₂↑
C	铸造钱币	钱币久置生锈变绿，铜绿的主要成分为Cu₂(OH)₂CO₃
D	配置火药	火药主要成分是硝酸钾、木炭和硫磺，点燃后生成的气体有2种