2．Unfortunately.he fell off his bike and broke his leg．——青夏教育精英家教网——

2．Unfortunately，he fell off his bike and broke his leg．

1．The soldiers were well equipped with weapons（武器）and ready to start．

20．In some poor African areas，many children died of hunger．

19．Now our headmaster is delivering an important speech to all the students in the hall．

18．-Did you regret ___________ to your mother in a rude manner this morning？
-Yes，I'll apologize to her the moment she comes back．（　　）

17．-Some more wine？
-Thank you．______．I have to drive home．（　　）

	A．	With pleasure		B．	I'd rather not
	C．	That would be nice		D．	Just what I needed

16．Christian Eijkman，a Dutch doctor，left the Netherlands for the island of Java．Many people on the island had a disease called beri-beri．He was going there to try and find a cure．
At first，Eijkman thought some kind of germ （细菌） caused beri-beri．He raised some chickens．He didn't eat them，but made experiments on them．The local people were quite surprised at that．One day he noticed that his chickens became sick when they were fed the food most Javanese ate-refined white rice （精炼米）．When he fed them with unrefined rice，also known as brown rice，they recovered．Eijkman realized that he had made an important discovery-that some things in food could prevent disease．These things were named vitamins （维生素）．The Javanese were not getting enough vitamins because they had actually removed the part that contains vitamins．Later，other diseases were also found to be caused by the lack of vitamins in a person's food．
Today many people know the importance of vitamins and they make sure they have enough vitamins from the food they eat．If they don't，they can also take vitamin pills．
51．The underlined word"cure"in Paragragh 1probably meansA．
A．a medical treatment
B．a kind of vitamin
C．a kind of germ
D．a kind of rice
52．Christian Eijkman went to the island of Java toD．
A．spend his holiday
B．find ways to grow better crops
C．do some research about the island
D．help the Javanese with their illness
53．Why did Christian Eijkman raise some chickens？B
A．To eat them．
B．To carry out his experiments．
C．To give the Javanese a surprise．
D．To make money by selling them．
54．If a person doesn't get enough vitamins in his diet，he'd betterD．
A．eat more rice            B．eat more meat
C．eat some chicken         D．eat vitamin pills
55．We can learn from the passage thatC．
A．beri-beri was caused by chickens
B．the Javanese didn't like vitamins
C．Christian Eijkman's experiment was successful
D．the Javanese's disease was caused by a kind of germ．

15．If you can't _____ a better plan，we have to carry out the present one．（　　）

come along with

14．_____ your classmates and you will make more good friends．（　　）

	A．	Worry about		B．	Fall in love
	C．	Think about		D．	Get along well with

13．--Look!The telephone is broken．Someone damaged it ______purpose．
--That may be right．But perhaps it was broken ________ accident．（　　）

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