按要求完成下列各题。

1. I'd like mutton and potato noodles. (改为一般疑问句)

    _________ you _________ mutton and potato noodles?

2. I went to New York City on my vacation. (就划线部分提问)

    _________ did you _________ on your vacation?

3. They usually play basketball in the afternoon. (用now 改写句子)

    They _________ _________ basketball now.

4. She did her homework last night. (改成否定句)

    She _________ _________ her homework last night.

5. Were you very busy last week? (作否定回答)

    _________, I _________.

第四脑室是（）.

A.位于延髓、脑桥和小脑之间的室腔

B.位于中脑、脑桥和小脑之间的室腔

C.位于延髓、端脑和小脑之间的室腔

D.位于中脑、端脑和小脑之间的室腔

E.位于中脑和端脑之间的室腔