提高传热速率的途径是增大传热系数、传热面积、平均温差。 （)

A．feel free to

B．make time

C．get ahea

D．settle in

Whats the main feature of the new method of paying for meals？

A．All students pay the same amount per year.

B．Students choose how many meals a week they want.

C．Students get money back for meals they don"t eat.

D．Some students get free meals.

How do many sports executives feel with the new technologies？

A．They are too old to do anything.

B．They feel ill at ease.

C．They feel completely at home.

D．Technologies can go hand in hand with sports.

How do many sports executives feel with the new technologies？

A．They are too old to do anything.

B．They feel ill at ease.

C．They feel completely at home.

D．Technologies can go hand in hand with sports.

The new law will ______ the workers to get extra pay from their companies.

A．relieve

B．occupy

C．enable

D．bring

Why does the woman plan to go to town？

A To pay her bills in the bank. B To buy books in a bookstore. C To get some money from te bank.

A、gift money

B、new clothes

C、new toys

D、new books

It can be inferred from the passage that______.

A．the new e-mail service is only free for the Sprint customers

B．the new e-mail service is free for all the U. S. customers

C．all cellphone customers must pay for the new e-mail service

D．the new e-mail service is only for the Sprint customers