—It's hard for me to fall asleep at night. Could you offer me some advice?

—________________. Tell me all about it and I'll do what I can.

如图是两种微生物结构示意图，请据图回答：（在  填序号，在      填文字）

When in conferences, he often leaves for ____ (各种各样的)  reasons.

我国政府的宗旨是为人民服务，其原则是对人民负责，从根本上说（    ）