---I wonder if I can board the plane with this return ticket．---There be no problem．Your ticket is valid until the end of this month．( )A．mustB．shallC．shouldD．might 题目和参考答案——青夏教育精英家教网—

3．My grandfather is a（61）retired （retire） worker．On summer evenings，he would gather us outside the house to enjoy the cool air，（62）sharing （share） his experiences before liberation．
At the age of fourteen，my grandfather worked as a child laborer in a coal mine．One day，he and his two workmates were working in the tunnel（63）when an unfortunate thing happened．A part of the tunnel fell down and they were shut in．They had no food（64）toeat （eat） in the tunnel．When they were hungry，they only drank some water．Because （65）it was very cold there，they just hug one another in order to keep warm．They could hardly speak or move as a consequence of physical（66）weakness （weak） and thought they would die．
After（67）what seemed a long time，the tunnel was dug through and they（68）wererescued （rescue）．They had been trapped there for fourteen days!My grandfather said they weren't let out at once．If so，they（69）would havedied （die）．They were kept at the entrance to the tunnel where it was very dim and were fed on some thin porridge．After a day or two，they had recovered a bit and were（70）eventually （eventual） helped out．

10．Chinese proverbs are rich and they are still widely used in Chinese people's daily life．（61）Behind/Inthese proverbs there are often interesting stories．For example，the proverb，"plucking up a crop （62）to help （help） it grow"，is based on the following story．It is said that a short-tempered man in the Song Dynasty （960-1279）was very anxious to help （63）his rice crop grow up quickly．He was thinking about （64）this/itday and night．But the crop was growing much slower than he expected．One day，he came up with an idea （65）that he would pluck up all of his crop a few inches．He did so the next day．He was very tired （66）after/from doing this for a whole day，（67）but/yet he felt very happy since the crop did"grow"（68）higher（high）．His son heard about this and went to see the crop．Unfortunately，the leaves of the crop began to wither．This proverb is saying we have to let things go in their （69）natural （nature） course．Being too anxious to help an event develop often（70）results （result） in the contrary to our intention．

14．Sunshine might be healthier than most people think，outweighing the risk of skin cancer．British doctors suggested last week and ran straight into a storm．The four researchers at Bristol University in western England were accused of weakening years of campaigning to warn people of the dangers of too much sun．Experts agree exposure to the sun's ultraviolet rays （紫外线） increases the risk of skin cancer and accelerates the signs of aging．But in the British Medical Journal，the Bristol team led by Andrew Ness wrote，"There is evidence that the potential benefits of exposure to sunlight may outweigh the widely publicized negative effects on the incidence of skin cancer．"
Vitamin D，made in the body in reaction to sunlight，prevented rickets （软骨病） in children and was associated with a protective effect against heart disease．
Sunshine was also useful for treating certain skin conditions and there was evidence that it reduced the incidence of multiple sclerosis （硬化症）．There was also the"feel good effect of lying or sitting in the sun．"The researchers said it was too early to advise people to spend more time in the sun，but suggested the basis of the current advice to cover up should be reviewed．
"Perhaps，while we await the conclusions of such formal analyses，those of us who enjoy spending time in the sun can rest assured that the chance that we will be one of the people dying from the sun is small．"they added．
Their article was strongly criticized by health campaigners who claimed it was unbalanced and not backed by scientific evidence．Britain's Health Education Authority said skin cancer was the most common form of cancer in the country，with more than 50，000new cases diagnosed each year and more than 2，000people dying from the disease．It said treatment almost always required surgery and almost 50per cent of cases were fatal．The authority's skin cancer campaign manager Christopher New said，"We are very disappointed with this controversial article．It doesn't have enough supporting evidence and runs the risk of undoing many years of good health education．"

（Note：Answer the questions or complete the statements in NO MORE THAN TEN WORDS）
78．According to the four researchers at Bristol University，exposure to sunshine． does more good than harm．
79．What does the author mean by saying"the British doctors ran straight into a storm"？their statement caused much criticism from the health campaigners/they were strongly criticized by authorities/their article aroused a heated debate．
80．The"good health education"reminds peoplethat sunshine may cause skin cancer/of the risk of being exposed to sunshine．．
81．People have not yet been able to reach an agreement onwhether sunshine is good for people or not．．

15．The latest fashion in the kitchen is the food steamer．All the stores are selling them；everyone wants one．Steaming is one of the simplest and healthiest ways of cooking food．However，that cooking time is usually longer than with other methods．In case you're thinking of buying a steamer，I've done a survey about the steamers available on the market to help you decide which will suit you best．
Folding Steamer
The simplest and least expensive is the folding stainless-steel（不锈钢）version．
Advantages：This is a good，basic design which sits inside a variety of different shapes of  pans with the water under it；a ring in the centre allows for easy lifting and it's easy to clean．
Disadvantages：It only holds small dishes．Also，if you put too much water in the pan，it will boil up through the vegetables and they will be watery．If you put too little water in and let it get dry，you will burn the pan and get strange-smelling vegetables．
Steaming Pan
This is a three-layered black Teflon-coated version with a lid and two double-handled  steamers，which sits on the oven ring．The brand I bought is called Nutritious Living．
Advantages：This is an excellent steamer，lightweight，easy to clean，and of all the steamers I've tried，this cooks the fastest．Fish and chicken can be cooked on the bottom with rice or vegetables on the top．It's easier to store．
Disadvantages：Water can boil away until the pan is dry，but if you make sure you fill the  pan up to the suggested level and do not overcook the food，this should not happen．You cannot  see the food cooking from the top．It doesn't supply a dish for cooking rice．
For serious users of steamers，I recommend having one of each version．If you just want  to try it，get the folding stainless-steel type．

21．The food steamer is popular with people becauseB．
A．it can save time and money
B．food can be cooked simply and healthily
C．it is easy to clean and store
D．it is available in any store
22．Which of the following is true about the folding steamers？A
A．They are cheap and easy to use．
B．They are difficult to clean．
C．They can hold all kinds of dishes．
D．You can put little water in the pan．
23．When you use the steaming pan，D
A．you can overcook the food
B．you can only cook rice
C．you feel it's heavy to carry
D．you should pour proper amount of water．

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