纺织厂女工照顾800个纺锭，每一纺锭在某一段时间τ内断头的概率为0．005．求在τ这段时间内断头次数不

A．hewastired

B．hehasbeenworkinghardforthelasteightmonths

C．hewantstoworkonanewproject

D．heaskedquestionsinamoreappropriateway

听力原文：W: Sir, may I see your manager？

M. He's not in at the moment. Is something wrong？

W: I bought a TV set in this department last week. But now it doesn't work properly, there's no picture and no sound. Here is the receipt.

Q: Where does the conversation most probably take place？

(3)

A．In a shop.

B．In a restaurant.

C．In an office.

D．At home.

-May I see the menu , please？ I've been waiting an hour already.

--__________.

A. That is the menu , sir

B. Here you are , sir

C. Of course , sir

-- May I see the menu, please？

-- _____.

A. This is the menu, sir

B. Yes, please go on

C. Here you are, sir

D. Of course, sir

Sir, may I ask you ______ questions？

A．some

B．many

C．any

-- May I help you, sir？-- Yes, I just want to buy a pen. ______ will do.

A．It

B．Anyone

C．Any one

D．Someone

A: May I use your phone for a local call？ B:______,sir!

A．Ask me another

B．Certainly, by no means

C．It's out of the question

D．As you wish

--- May I see the menu, please？ --- __________ .

A.That is the menu, sir

B.Yes, please go on

C.Here you are, sir

D.Of course, sir

May I have ______ with you, manager？

A．words

B．a word

C．word.

A、May I take your order now,Sir？

B、May I see the menu,please？

C、What would you like to have,Sir？

D、Do you have any special meals today？