阅读下列文章，完成文后任务。

根据短文内容，从A、B、C、D四个选项中选出最佳答案。

1. If you want to be a tutor, you can call _______. [ ]

A. 293-7742

B. 555-3721

C. 667-8973

D. 556-3826

2. People who like dancing can come at _______. [ ]

A. 7:45 P.m.

B. 11:45 a.m.

C. 12:15 p.m.

D. 2:00 p.m.

3. Ms. Martin really needs a _______. [ ]

A. tutor

B. musician

C. cleaner

D. dancer

4. Julia can _______, she wants to be a band member.[ ]

A. dance

B. speak English

C. play the violin

D. play the guitar

5. Who will the tutor help? [ ]

A. Mrs. Johansson.

B. Emily.

C. Mrs. Johansson's daughters.

D. Mrs. Johansson's son.  

加热50ml液体时，所需的仪器是[ ]

①试管 ②烧杯 ③酒精灯 ④试管夹 ⑤石棉网 ⑥铁架台 ⑦三脚架

A．①③⑤

B．②③⑤⑥

C．②③④⑥

D．①③⑤⑥