问题
选择题
— Volunteering is becoming ________ popular in China.
— Yeah, people are now aware that helping others is helping themselves. [ ]
A. naturally
B. successfully
C. splendidly
D. increasingly
答案
答案:D
— Volunteering is becoming ________ popular in China.
— Yeah, people are now aware that helping others is helping themselves. [ ]
A. naturally
B. successfully
C. splendidly
D. increasingly
答案:D
指出下列溶液中的溶质和溶剂
溶液 | 石灰水 | 糖水 | 食盐水 | 硫酸铜溶液 | 稀盐酸 | 铁和硫酸铜溶液恰好完全反应后所得溶液 | 稀硫酸 | 碘酒 |
溶质 | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
溶剂 | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |