Traveling to work by car gets more expensive today．People can do nothing about the world’s price of petrol(汽油)．They have to go to work, so they have to pay．However, some people are trying to stop driving to work．
People are looking for a cheaper means of transportation and they have found out that it is a good choice to ride bikes to work．More and more people return to bikes．
Children often go to school by bike．But now businessmen are going to work by bike, too．“The bike is easy to use,” says Molly, “and it is also very cheap．It is a good choice for those who do business like me．You can buy thirty bikes for the price of a small car．A bike doesn’t use expensive petrol．A 10－year－old child can learn to take care of a bike．And most bikes can be used for a long time．”
Mr Brown goes to his hospital by bike every day．He says, “A bike doesn’t cost a lot of money, and most families can have two or more ones．Bike riding is good for our health．Today most of people get fat because they don’t get enough exercise．So I tell all my patients to buy bikes．Besides, in big cities it’s usually quicker to travel by bike than by bus or by car．Drivers can’t do anything but get angry when there is a traffic jam”(交通堵塞)
根据短文内容，选择最佳答案。
(1)
Some people don’t want to drive to work because ________．
[ ]
A．
the cars are getting expensive
B．
the petrol is getting expensive
C．
the cars are difficult to take care of
D．
the petrol is of bad quality
(2)
The phrase “return to bikes” in the second paragraph means “________”．
[ ]
A．
begin to ride bikes again
B．
give bikes back to their owners
C．
begin to collect bikes
D．
sell their bikes to others
(3)
From the passage, we can know Molly is a ________．
[ ]
A．
teacher
B．
doctor
C．
student
D．
businesswoman
(4)
According to Mr Brown, bike riding is good for us mainly in ________ aspects(方面)．
I stood in the doorway, watching my older brother carefully putting clothes into his bag．I coughed uneasily．Finally realizing that I was there, Rocky turned toward me 1 a sad smile．
“I’m 2 tomorrow,”he said．
“I know．”My 3 was almost a whisper．I was angry at 4 for being so weak, but I wasn’t about to cry．
“My 5 is early, so there is still enough time to come to the airport,”he said．Seeing the sad look on my face, he quickly added,“I 6 I won’t leave without saying goodbye．”
I tried to say 7 , but didn’t．It’s always better to 8 if you’re about to cry．“You promised you wouldn’t cry,”he said to me, thinking that I was close to tears．
I remember the day he 9 me how to ride a bike．At first I thought he was always right behind me, holding the seat to keep me from 10 ．I was happy with this, but he knew he 11 hold me up all my life．He told me that one day he would have to leave．
His coughing stopped my 12 ．What was left to say? 13 could I say goodbye to the person who taught me everything?
The next morning I 14 , looked at my alarm clock, and realized he had left 15 before．We never even said goodbye．
Goodbye, Rocky!Although he may have been many miles away, I knew he heard me, even if it was only an answer in his heart．
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