当喷嘴的压力比ε_n大于临界压力比ε_cr时，则喷嘴的出口蒸汽流速c₁( )。

Tom and I (are) looking forward to (be seeing) you, (so) don't (disappoint) us!

A．are

B．be seeing

C．so

D．disappoint

Tom and I (are) looking forward to (be seeing) you, (so) don't (disappoint) us !

A．are

B．be seeing

C．so

D．disappoint

—Do you know Tom bought a new car？ —I don't know,______.

A．nor don't I care

B．nor do I care

C．I don't care neither

D．I don't care also

Tom: Thank you. Don’t trouble yourself. I’m not thirsty at all.

Henry: _________you wouldn’t like a cold beer, or a coke？

A．Can you tell

B．Are you sure

C．Do you think

D．Do you mean

Tom: Thank you. Don’t trouble yourself. I’m not thirsty at all.

Henry: _________you wouldn’t like a cold beer, or a coke？

A．Can you tell

B．Are you sure

C．Do you think

D．Do you mean

- Do you think Tom is ill？

- _________

A.No, I don't think so.

B.Yes, he's very well.

C.Yes, I like him very well.

D.No, I was ill yesterday.

The weather is not as cold (as you think. ) So (I don't think) the ice is thick (enough) to (walk on) it.

A．as you think

B．I don't think

C．enough

D．walk on

John: Dear Tom, why don't you come on holiday with us？ Tom:________

A．That's very kind of you. I'd love to.

B．How dare you invite me？ I won't go.

C．Yeah, thanks anyway.

D．Whether I'll go or not is not your business, OK？

You look beautiful in red, ________ I don't().

A、so

B、or

C、but

听力原文：Don't you like Tom's design？ I think it's really good.

(A) I don't like his suggestion.

(B) No, actually I think it's not as perfect as I imagine.

(C) No, I like him very much.

(14)

A．

B．

C．