It was some time I realised the fact that life had become difficult for many villages in western Europe．( )A．untilB．beforeC．unlessD．since 题目和参考答案——青夏教育精英家教网—

1．Life on land probably began about 430million years ago，thought it had existed in the water for perhaps as long as 3，000million years．When we think of the first life on land，we probably think of strange animals coming out of the oceans，but，in fact，no animals could have been living if plants had not been on land first．Plants had to be on land before animals arrived．They supplied the first land animals with food necessary to live，since they-the plants are the only form of life that is able to get and store energy．
The first plants to exist out of the water were probably certain kinds of algae（海藻）which were followed by other plants that grew close to the ground near water and needed water in which to reproduce．Once the move to land had been made，however，evolution（进化）took place quickly．By the end of 100million years，plants had developed their roots，and some developed tall tree-like forms，since height was very important in competition for sunlight．About 300million years ago，much of the world was covered with forests of huge trees．
In most ways they were like modern trees．They had roots，leaves，wood，but mostly they had not developed seeds．

28The main idea of the first paragraph isC．
A Life on land probably began about 4，300years ago
B The first animal on land came from oceans
C There wouldn't be animals without plants
D Plants are the only form of life that is able to get and store energy
29Plants with roots appeared aboutC       million years ago．
A.430
B.330
C.300
D.100
30  The first trees were like modern trees in most ways except thatC．
A They do not have branches
B．They do not have flowers
C．They do not have seeds
D．They do not need sunlight．

19．We are all called upon to make a speech at some point in life，but most of us don't do a very good job．So，you have to give a speech and you are terrified．You get nervous，you forget what you want to say，you talk too long，and you bore your audience．Later you think，"Thank Goodness，it's over．（36）C．I hope I never have to do that again．"
Cheer up!It isn't that bad．Here are some simple steps to take the pain out of speech making．（37）A．What is the occasion？Why are you speaking？Then，gather as many facts as you can on your subject．Spend plenty of your time doing your research．Organize your material and use as many examples as possible．（38）D．Don't talk over their heads，and don't talk down to them．Treat your audience with respect．They will appreciate your thoughtfulness．
Just remember：Be prepared．Know your subject，your audience，and the occasion．Be brief．（39）F．And be yourself．Let your personality come through so that you make person-to-person contact with your audience．
If you follow these simple steps，you will see that you don't have to be afraid of public speaking．In fact，you may find the experience so enjoyable that you volunteer to make more speeches!Are you ready now？（40）G．

A．Ask yourself the purpose of your speech．
B．Don't look at the audience during your speech．
C．I'm just not good at public speaking
D．Say what you have to say and then stop．
E．Talk about whatever you are familiar with．
F．Never forget your audience．
G．Give it a try and see what happens．

16．Intense physical exercise is not the only way to better health．Studies show that walking several times a week can lower the risk of many diseases．They include heart disease，stroke，diabetes，bone loss，arthritis （关节炎），and depression．Walking also can help you lose weight．Fast walking is good for the heart．It lowers the blood pressure．It raises the amount of good cholesterol （胆固醇） in the blood．Researchers say walking can sharply reduce the risk of suffering a heart attack．
Studies have also shown that walking for 30 minutes a day can delay and possibly prevent the development of diabetes．People who are overweight have an especially high risk of developing this disease．
Walking strengthens the muscles and builds up the bones that they are attached to．Studies show that walking could decrease the risk of developing osteoporosis （骨质疏松症）．Walking can also help ease the pain of arthritis in areas where bones are joined．This is because walking strengthens the muscles around the bones．
Experts say walking is one of the safest ways of exercise．There is a low risk of injuries．So it is good for people who are starting an exercise program for the first time and for older people．
A walking program is easy to start．You should wear loose clothes and good shoes．There are shoes that are designed especially for lots of walking．
How fast should you walk？For the best effect，doctors say you should walk fast enough to cause you to breathe hard．Yet you should still be able to talk．Let your arms move freely while you walk．
There are no rules to starting a walking program．You might walk short distances．Or you might walk up hills to strengthen your leg muscles．Health experts say you can gain the most from a walking program if you walk at about five kilometers an hour for 30 minutes a day．You should do this about five times a week．

Walking to 76keep．Fit
77Effects/Advantages/Benefits．of walking	Superiorities to other ways of exercise	Tips to walkers
★Reducing the risk of a heart attack ★Lowering the blood pressure ★Raising good cholesterol	Being 80．than many other ways of exercise，especially for beginners or the 81elders．	Wear loose clothes and good shoes．
★Controlling the development of diabetes ★Helping you 78lose．weight		Walk fast enough to cause you to breathe with 83difficulty． but you are still able to talk．
		Walk with your arms 84moving． freely．
★Strengthening the muscles 79building．up the bones	Being easy to start 82without．rules	Walk at a 85speed/rate． of about 5 kilo- meters an hour for 30 minutes a day and 5 times a week．
Lowering the risk of other diseases，such as stroke，depression，etc．

3．On account of fuel supplies being finite and many people being wasteful，we will have to install ________ solar heating device in our home．（　　）

13．Mum，I ______ my homework since 8o'clock．May I play with my cell phone for a while？（　　）

20．--We'll go to the Egyptian art collection on display at the museum at 9tonight．Could you join us？
--I'm afraid I can't．I ______________ the paper with my tutor then．（　　）

	A．	am discussing		B．	have discussed
	C．	will have discussed		D．	will be discussing

17．-You've drunk too little．______ of the milk is still left in the bottle．
-I'm full now．（　　）

18．微信朋友圈已经成为非常受欢迎的社交平台．最近你班针对"是否父母应该被允许看你的微信朋友圈"这一话题开展讨论，大家发表了不同的看法．请根据下面所给内容，反映讨论情况并表达自己的观点．

不同观点	理由
30%支持	1、青少年缺乏社会经验，需要父母的指导． 2、不允许父母参与，可能使代沟越来越大，而允许父母参与微信朋友圈可以帮助父母与子女沟通并且使关系更加亲近．
70% 反对	1、每个人需要隐私，假如允许父母看，我们将没有自己的秘密． 2、微信朋友圈是我们和同龄朋友的交流平台，如果允许父母看我们的微信圈，我们将无法自由地和朋友分享我们的想法．
你的观点	发表你自己的看法．

注意：1．根据所给内容适当发挥，不可逐句翻译．
2．词数150词左右；开头句已给出，不计入总词数．
3．作文中不得提及考生所在学校和本人姓名．
4．参考词汇：微信朋友圈  the Moments of WeChat；   参与 involvement；
隐私 privacy；      代沟 generation gap
Recently our class held a heated discussion about whether our parents should be allowed to see our Moments．
          ．

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