The apples genetic code(遗传密码) was discovered recently.It allows scientists todevelop nicer and healthier fruits.Researchers are already using the information to grow akind of apples full of antioxidants that can keep eyes and joints healthy and protect humansagainst heart illnesses and cancer.
Apples that kill the desire(欲望) to eat could also be produced，with the first“extrahealthy”apples on supermarket shelves within just four or five years.
The team that keeps studying apple DNA includes 100 scientists from five countries.
Their research also suggests that around 65 million years ago，when dinosaurs began to dieoff，the plant，which would finally become today's apple tree，experienced a great geneticchange.The number of many of its genes doubled.The extra genes allowed the apple to getused to worse conditions and go through a different development from peaches，strawberriesand other related fruits.
30.Why were fruit flies used for the research？
A.Because they have a similar diet to humans.
B.Because they have a history as long as apples.
C.Because they share a lot of genes with humans.
D.Because they feed on nothing but apple extract.
31.What result did the researchers find out？
A.Apples produce chemicals that can change human genes.
B.Apples have antioxidants that kill chemicals that cause aging.
C.Apples are rich in vitamins that are needed in humans bodies.
D.Apples produce chemicals that make apples taste more delicious.
32.What happened to apples around 65 million years ago according to the research？
A.Their genes stopped their development as the environment got worse.
B.Their genes became twice in number but they finally died off like dinosaurs.
C.They experienced a great genetic change making them used to worse conditions.
D.They went through a similar development to peaches，strawberries and other related fruits.
33.What can we infer(推断) from the passage？
A.Eating apples may bring us more advantages than we might believe before.
B.People who have the habit of eating apples don't need to see a doctor.
C.Apples that kill the desire to eat are already available in supermarkets now.
D.People will eat apples instead of peaches and strawberries from now on.
四、阅读表达(共5小题；每小题1分，满分5分)
阅读下面短文，在表格内的空白处填入合适的答案(每格限填一词)。
The way in which we communicate with others can be greatly improved by building abetter vocabulary.In our personal life，we communicate and share experiences with others.
However，how well we do it depends on(取决于) our ability to express ourselves throughspoken and written language.Luckily，increasing(增加) our word power can make us ownthe skills we need to communicate better with others and can also help us get better resultsin our study.
When you see a new word，whether through reading or hearing someone say the word，just be ready to take out your dictionary and look it up-learn about the word and anythingthat relates(与……相关) to it.If you understand the word，you'll hopefully remember it well.
Meanwhile，you'd better write down words to learn.You can go through thedictionary，magazine and newspaper or even take down the unknown words you hear.Try toreview them every day-look at the words and speak them out loudly.Copy the words overand over again，along with their meanings，and you will surprisingly remember them in notime.
You can also do word searches，crossword puzzles or other word games.Playing thesegames，you are more likely to come across new words，and when you are caught in newwords，study them.The more words you have in your brain's word bank，the better youwill become at these word games.You will be remembering，learning and having fun，too.
Finally，reading is also believed to be an excellent way to learn new words and build upyour vocabulary.Read things you are interested in，because in this way，you are less likelyto become bored.But don't skip over(忽略) those words you don't know.Instead，youshould remember and use them in your own daily conversations，Use them more.and you'llsurely have a better chance of remembering them.
五、词汇(共10小题；每小题1分，满分10分)
A)根据句子意思，用括号中所给词的正确形式填空，每空填一词。
39.Three(four) of the students in our class have handed in their reports.
40.You needn't be frightened because these insects are completely(harm).
41.If you add some lemonade and sugar，the dish will be much(taste).
42.How(active) they are donating money to help the sick student！
43.Some of the film stars had been(sing) before they entered the film industry.
B)根据句意及汉语提示，写出各单词的正确形式，每空填一词。
44.The charity event is(结束).We all think it is a great success.
45.I dislike this channel because(少数) programmes on it are interesting.
46.Ice turns into water when the temperature is(超过) 0℃.
47.-Which of these shirts do you like best？
-I'll take(没有).They are both expensive and out of fashion.
48.The book he is fond of(描述) how birds live.
六、用括号内所给动词的正确形式填空(共5小题；每小题1分，满分5分)
49.-I phoned you yesterday morning，but you were not in.
-We(fish) hy the river.
50.(make) sure that there are no mistakes，he will check the paper carefully.
51.Is the washing machine I have used for a tong time worth(fix)？
52.There(not be) much snow here in the past three years.
53.I don't know if we(show) around the History Museum tomorrow afternoon.
七、根据所给中文完成句子(共6小题；每小题1.5分，满分9分)
54.在这次运动会上，他跳得没我远。
He_________________.
55.截止到2010年底为止，你去过美国多少次？
_____________by the end of 2010？
56.我们别无选择，只能放弃旅行计划。
We_______________.
57.他宁可住在乡下，也不愿意在城市里谋生。
He'd rather_________.
58.你能告诉我你来中国多久了吗？
Could you tell me______________？
59.你有足够的耐心教我发电子邮件吗？
Are you_________________？
八、书面表达(共1题；满分15分)
假如上周一你班举行了“爱护水、节约水”的主题活动，请你根据以下要点为你校校报写一篇活动报道。
活动内容邀请王老师作报告；全班讨论如何节水和爱护水。
活动收获
我们知道我国一些地方水源受到污染；我市虽有一些河流和湖泊，但也缺水。
所以……(节水和爱护水的方法至少各发挥一点）
活动感受……
注意：1.词数不少于90，文章的开头已为你写好，不计入总词数；
2.要点完整、层次清晰、语法正确、上下文连贯；
3.文中不得使用真实的人名、校名。
Last Monday we held an activity