and woke up．“I rose and found to be fifteen minutes past 58． ＿＿＿＿

four．” He hurried to downstairs to the clock． It had stopped 59． ＿＿＿＿

three minutes ago． Except for stopping the clock，the quake 60．＿＿＿＿

had only thrown a key from the mantel（壁炉架） to the floor． 61． ＿＿＿＿ The clock had stopped because John put some long 62． ＿＿＿＿ glass tube he was using for an experiment into the case 63． ＿＿＿＿

for safekeeping．The quake had been knocked the tubes over and 64． ＿＿＿＿ blocked the pendulum（钟摆）． So John had the exactly

time of the earthquake． 65． ＿＿＿＿ 9

Life in the twenty－one century will be very 56．＿＿＿

different with life today． There will be many 57． ＿＿＿

changes．What can the changes be？ The population 58． ＿＿＿

is growing fast． That will be many more people in 59． ＿＿＿

the world and most of them will live in longer 60． ＿＿＿

than people live now． Computers will be much 61． ＿＿＿

more smaller and more useful， and there will 62． ＿＿＿

be one in every home． People will work few 63． ＿＿＿

hours than they now and they will have more 64．＿＿＿

free time for reading books， watch TV and traveling． 65．＿＿＿

10

Once one year a race is held． A lot 56．＿＿＿＿＿

of cars took part this race last year and there 57． ＿＿＿＿＿

had a lot of experiments just before it began． One 58． ＿＿＿＿＿

of the most beautiful car was a Rolls－Royce 59． ＿＿＿＿＿

Silver Ghost． The most usual car was a Benz 60． ＿＿＿＿＿

which had only three wheels． Built in 1885，it is the 61． ＿＿＿＿＿

oldest car taking part． After a great many loud 62． ＿＿＿＿＿

noises，the race began． Many of cars broke down on 63． ＿＿＿＿＿

the way and some drivers spent much time under 64． ＿＿＿＿＿

their cars than in them． The win car reached at 65． ＿＿＿＿＿

a speed of forty miles an hour．

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In recently years，dust storms take place more 76． ＿＿＿＿＿

and more often in the north of Chinese． They have 77． ＿＿＿＿＿

brought a great deal of trouble to people’s lives． 78． ＿＿＿＿＿

The strong wind blows up the dust，made the air 79． ＿＿＿＿＿

very dirty． It also stops many of people from going 80． ＿＿＿＿＿

out． In past，people raised a large number of sheep． 81． ＿＿＿＿＿

The sheep eat up a great deal of grass and the land 82． ＿＿＿＿＿

became sandy． Now the government have begun to 83． ＿＿＿＿＿ pay attention to the problem． Each year，a lot of 84． ＿＿＿＿＿

money spent on the improvement of the environment． 85． ＿＿＿＿＿

12