()1. Don't be late again.A. A new watch.

()2. May I have a cup of tea?B. Me ，too.

()3. I like the red fan.C. I see.

()4. What's that on the desk?D. Sure.

()5. Where's Dad?E. Perhaps he's in the study.

()6. Shall we go to the zoo by bike?F. It's Bob's ，I think. .

()7. Whose kite is this?G. Good idea.

()8. Can I have a look at your dress?H. Yes. Here you are.

My mother's work is _____ (make) our city safe.

bus(复数)__________

绿藻的胶质中分离出一种有机化合物(用A表示)，结构如图， A对人体无害，可用于新鲜食品中对脂肪酶进行抑制来保持风味，也可外用使伤口快速愈合。则关于该物质的说法错误的有()

She is ______ (good) than Alice at swimming.