A:①④都要用到锥形瓶
B:②③都要用到温度计
C:③④都要用到酒精灯
D:①②都要用到指示剂
选出相对应的答语。
①Do you like this shirt? ____ A. It's green.
②What do you have? ____ B. No. It's soft.
③What colour is it? ____ C. Yes, I do.
④Is it hard? ____ D. I have a dress.
⑤What do you need? ____ E. I need a sweater.
某校学生在开展研究性学习时,列举了一些史实(如下图),从中可以确定他们研究的主题可能是( )
—What did you do yesterday?—My brother took two friends of ________ to play chess with us. But I don't know _______ of them.