根据提示及首字母填空。

1. Su Yang is a primary s_____ student.

2. Fireflies are very special. They can glow at n__      . 

3. There are many butterflies, grasshoppers and o           interesting insects in the park.

4. Can you ___      (搬运)the big box?

5. Would you like            (捉住) some ants with me?

产后5个月哺乳妇女，月经未复潮，要求避孕，妇科查为子宫正常大小，无压痛，活动，双附件(-)，下列哪种方法不宜选用

A．口服避孕药

B．宫内节育器

C． * * 隔膜

D．阴茎套

E．体外排精