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The scientists are trying to ___ natural energy to decrease air pollution.

A. make friends with   B. make full use of  C. make notes of   D. make into

You’d better come to my home tomorrow, because ___ to show you some of my best stamps.

A. I will like   B. I shall like   C. I like    D. I'd like

Mr. King, manager of a big department store, is about to pay a visit ___ Chian next month.

A. for   B. to    C. about   D. in

The fire spread through the hotel very quickly, but everyone __________ get out.

A. had to        B. would         C. could          D. was able to

If you want to sell your product you must _____ it.

   A. advertise     B. advertise for     C. advertise on    D. advertise to

My father promised that he ___ me a ten-speed bicycle as a present.

A. bought for   B. would buy   C. had bought   D. has bought

You have waited 45 minutes for the valuable 10 minutes’ break between classes. But when the bell for the next class rings, you can’t   36   how quickly time has passed.

If you are familiar with this   37  , you’ll know how time flies when you are having fun-and  38   when you are bored. Now scientists have   39   a reason why this is the case.

Scans have shown that patterns of activity in the brain   40   according to how we focus on a task. When we are   41  , we concentrate more on how time is passing. And this makes our brains   42   the clock is ticking more slowly.

In an experiment   43   by a French laboratory, 12 volunteers watched an image   44   

researchers monitored their brain activity.

The volunteers were told to   45   concentrate on how long an image appeared for, then

  46   the color of the image, and thirdly, study both duration and color. The results showed that  47   was more active when the volunteers paid   48   subjects.

It is thought that if the brain is   49   focusing on many aspects of a task, it has to  50  its resources, and pays less attention to the clock.  51 , time passes without us really   52   it, and seems to go quickly. If the brain is not so active, it concentrates its   53   energies on monitoring the passing of time.   54  , time seems to drag.

Next time you feel bored   55  , perhaps you should pay more attention to what the teacher is saying!

36．A．guess                      B．learn                      C．believe                   D．doubt

37．A．view                      B．point                      C．scene                      D．experience

38．A．drags                      B．stops                      C．backs                      D．gains

39．A．thought over           B．made up                 C．suggested                D．come up with

40．A．change                   B．develop                  C．grow                      D．slow

41．A．sleepy                    B．bored                            C．excited                   D．a(chǎn)ctive

42．A．report                     B．think                      C．decide                    D．see

43．A．produced                B．carried                    C．tried                       D．performed

44．A．so                          B．when                      C．while                      D．but

45．A．partly                     B．quickly                   C．how                       D．first

46．A．remember               B．focus on                 C．forget                     D．tell apart

47．A．the researchers        B．the experiment        C．the clock                 D．the brain

48．A．much attention to                                       B．more attention to    

    C．a(chǎn)ttention to many                                        D．a(chǎn)ttention to more

49．A．busy                       B．likely                            C．ready                      D．sure

50．A．focus                      B．gather                     C．reach                      D．spread

51．A．However                B．Furthermore            C．Therefore                D．Finally

52．A．recognizing             B．watching                 C．noticing                  D．counting

53．A．enough                   B．full                        C．right                       D．proper

54．A．In fact                    B．As a result                     C．For example            D．Instead

55．A．in class                   B．with work               C．in mind                  D．of lessons

Yang Liwei was born from an ordinary family in Liaoning       1.____________

Province in 1965. He became the pilot in Chinese Air Force         2.____________

in 1987, spend 1,350 hours in the air. He has spent 5 years    3.____________

training to become a spaceman. He sent into space at 9 a.m on   4.____________

October 15th by China’s Shenzhou V spacecraft, that orbited        5.____________

the earth 14 times. He landed safe at 6:23 a.m the next day,         6.____________

making China the third country successfully sending a person      7.____________

into space before the former Soviet Union and the USA.          8.____________

Yang Liwei comes back to the earth after a 21-hour trip           9.____________

to space. In space Yang recorded to everything he saw and   10.___________

showed China’s national flag to the people watching on TV.