何谓冲击韧性？影响冲击韧性的主要因素有哪些？

_____ there is smoke, there is fire.

A: If

B; When

C; Where

It's bad () for you to smoke in the public places where smoking is not allowed.

A. behavior

B. action

C. manner

D. movement

Look! The house's ________ fire. Let's get some help.

A．been caught

B．catching

C．caught

D．been catching

M: I can't agree more. Smoking should be prohibited in public places like this cinema.

Q: What can we infer from the conversation？

(17)

A．Both of them are bothered with the smoke in the cinema.

B．The man doesn't agree to the woman's opinion.

C．The room is smoky because it's on fire.

D．The man isn't permitted to smoke in the room.

There's a party at my house this Friday. (英译汉)

Some people think it's ______ to smoke with a cigarette holder.

A．flexible

B．sophisticated

C．versatile

D．productive

The earthquakes leave scars in the earth’s crust.(英译汉)