用来度量结构在规定的时间内、规定的条件下完成预定功能的概率的指标称为______。

-- Madam, do all the buses go downtown？

-- _______

A：Wow, you got the idea.

B：No, never mind.

C：Pretty well, I guess.

D：Sorry, I'm new here.

Mike: Madam, do all the buses go downtown？ Susan: ______

A．Wow, you got the idea.

B．No, never mind.

C．Pretty well, I guess.

D．Sorry, I"m new here.

(As soon) as (we've finished) supper, (we'll all) go (to) downtown to see the Sound of Music.

A．As soon

B．we've finished

C．we'll all

D．to

(As soon as) (we've finished) supper, we'll all (go to downtown) to see (the) Sound of music.

A．As soon as

B．we've finished

C．go to downtown

D．the

With all this work on hand, he ______ to the cinema last night.

A) mustn't go B) wouldn't go

C) oughtn't to go D) shouldn't have gone

A．Because they all work in the same company.

B．Because they do not want school buses to take their children to school,

C．Because they live more than a mile from the school.

D．Because they take turns driving their children to school.

What do we learn from this conversation？

A．The woman will go home for dinner.

B．The woman won't go to the concert.

C．The man and the woman will eat together.

A．Americans like greyhounds.

B．The buses go to the country.

C．The buses are as fast as greyhounds.

D．There's a picture of a greyhound on the bus.

A．Susan would like to check out and go downtown for shopping.

B．The travel company will pay all the bills of the tour group.

C．Ms. Smith will pay the phone call herself.

D．The bill totals less than 5,204.80 yuan.