Generally speaking, the dishes served on the plane    good.

A. are tasted                       B. tasted                   C. taste                            D. tasting 

一Can you         your absence last Friday?

   一Well,my car broke down and I had 10 get it taken to a garage．

   A.settle down     B．depend on    C．a(chǎn)ccount for    D．refer to

A strange thing happens to nearly everybody at night. They turn off the lights, put up the covers and close their eyes. Six or seven hours later, they wake up again. Strange, isn’t it?

    Sleep puzzles science. Scientists and doctors would rather talk about why one can’t fall asleep. They are not so sure what causes sleep.

    The best conditions for sleep, they say, are good health and meal neither too big nor too small. No worries and a comfortable place to sleep in are important, too. They advise against two in one bed.

    Strange things happen during sleep. For example, you move often. You would feel tired if you didn’t. You also dream. Part of your brain is still awake when you dream. Dreaming happens when the memory and imagination parts of your brain are still awake. Experiments have shown that bad dreams may be caused by a stomachache.

    Don’t worry if you dream. Some great stories and poems were begun while the writers slept.

41. Sleep puzzles scientists because they are not certain _______. 

why one can’t fall asleep

why one wakes up six or seven sleeping hours later

both A and B

D. what causes sleep

42. You would feel tired during sleep if you ________.

A. move often           B. sleep on your back     C. didn’t move    D. went back too later

43. Dreaming happens when _______.

   A. you are in a deep sleep                           B. you are not comfortable

   C. part of our brain is still awake               D. there’s too much noise  in the room

44. The best title for this passage is ________.

   A. Why You Dream                              B. The Strangeness of Sleep

   C. What Happens During Sleep            D. The Cause of Sleep    

For little kids, drawing is ____.

A. necessary done   B. necessarily done

C. necessary to do   D. necessarily to do

.---There is a lot of smoke coming out of the teaching building.

---Really? It _____be a fire, most probably.

A. can       B. ought to    C. have to       D. must

A person will ____ remember the advertisement but not the name of the products.

A. possible to                 B. possibly

C. be possible to               D. be possibly to

Seeing the man on the bike with a boy at the front and the other at the back, the policeman signed _______stop.

A. to the man                     B. to the man to

C. for the man for                 D. to the man for

The climate here in the country _______; it rained almost every day.

A. didn’t agree with me        B. never agrees with me

C. doesn’t agree to me         D. I didn’t agree with

 There were two small rooms in the house, ____served as kitchen.

A. the smaller of which       B. the small of which

C. the smaller of them        D. the smaller one

 Farmers grow crops either to ____their family ___to sell.

A. feed; and   B. feed; or   C. supply; or   D. supply; nor