钢筋混凝土大偏心受压构件的破坏特征是（)。 A．远离轴向力一侧的钢筋拉屈，随后另一侧钢筋压屈，混凝土被压

From what we have discussed above, the (conclude) ______ we have come to is that we must take immediate measures to control the air pollution.

A．the

B．do

C．know

D．what

--May I take your order now？ --OK, I'll come back in a few minutes.

A．Could you bring us the bill？

B．Sure, we'd love to.

C．Yes, here it is. Thank you.

D．No, we need more time.

—Why didn't you come to Mike's birthday party yesterday？

—Well, I ______, but I forgot it.

A) should B) must C) should have D) must have

听力原文：W: These tomatoes axe huge! You must have watered them a lot.

M: Yes, I dick They ought to be ripe enough to pick by next Friday when we have our picnic.

Q: Where did this conversation most probably take place？

(17)

A．In a kitchen.

B．In an orchard.

C．In a garden.

D．At a picnic.

A．A. had better to

B．B. don’t

C．C. must not

D．D. don’t have to

-- I heard that we will have another examination next week. -- Take it easy. You can pass it______ you prepare hardly.

A．as if

B．if only

C．now that

D．as long as

— Must we take a bus.'？ — No, you ______. You can walk from here.

A．mustn't

B．don't need

C．don't have to

D．had better do