题目内容
protect…against…, prevent…from…, get burnt, take off, choke, carry out, be proud of, iron, present sb. with sth.., heal |
1. You have three layers of skin to _______ you _______diseases, poison and the sun’s harmful rays.
2. He ________ his hat and bowed (鞠躬) to us.
3. If your skin_________ , it will be very serious.
4. The skin can ________ your body ________ losing water.
5. I prefer to _________ my shirts while they are still damp.
6. The cut soon _________ over, but it left a scar.
7. She _________ to death on a fish bone.
8. I __________ their success.
9. He was _________ an experiment when I rang him.
10. The town _________ a library.
1.protect against 2.took off 3.gets burned 4.prevent from 5.iron 6.healed
7.was choked 8.am proud of 9.carrying out 10.was presented with
完形填空(共20小题；每小题1.5分，满分30分)
A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s 1 ,she said she would go. This 2 be the first time that his classmates and teacher 3 his mother and he felt 4 of her appearance. Although she was a beautiful woman, there was a severe scar(疤痕)that 5 nearly the entire right side of her face. The boy never wanted to 6 why or how she got the scar.
At the meeting, the people were 7 by the kindness and natural beauty of his mother 8 the car, but the little boy was still embarrassed(尴尬)and 9 himself from everyone. He did, however, get within 10 of a conversation between his mother and his teacher.
The teacher asked 11 ,“How did you get the scar on your face?”
The mother replied,“ 12 my son was a baby, he was in a room that caught fire. Everyone was 13 afraid to go in because the fire was 14 ，so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked 15 but fortunately, a fireman came in and saved both of us.” She 16 the burned side of her face. “This scar will be 17 ,but to this day, I have never 18 what I did.”
At this point, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great 19 of the sacrifice(牺牲)that his mother had made for him. He held her hand 20 for the rest of the day.
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Pets are popular. They’re good listeners, they encourage us to exercise, and they’re always on our side when we argue with others. They can bring people comfort and pleasure.
But it is important to keep in mind that pets can carry diseases that can make you sick. Washing your hands often — especially after you touch, feed, or clean up a pet — is the best way to keep yourself healthy and prevent the spread of disease. Be sure to clean your fingernails（指甲）carefully every time you wash.
You also can protect your health by wearing gloves while cleaning animal cages or cat litter boxes. Avoid washing your pet in the bathtub (浴缸), but if you do, always disinfect (消毒) the tub immediately afterward.
Be sure to bring your pet to the hospital for examinations every two weeks or month and whenever your pet is sick or injured.
You can do a few other things to keep yourself and your pet healthy. Only give your pet food that has been planned ahead for them. It’s not a good idea to share your food with your pet. Human food (like chocolate) can make animals sick. Never feed your pet raw meat because it can carry germs (细菌) that cause serious illness.
And funny as it can be to see your dog or cat drinking from the toilet, don’t let pets do this. It’s bad for your pet’s health! Give them clean, fresh water to drink at all times.
Never give milk to cats. The only milk an animal should drink is from its mother. Cow’s milk is not for pets, especially for cats, as it makes them sick.
Finally, some animals aren’t pets. Don’t take in a wild or abandoned (被抛弃的) animal as a pet because it may have diseases that could make you or your family sick. Instead, turn to an animal rescue group that is trained in helping sick or abandoned animals.
【小题1】The first paragraph mainly tells us that pets can ______.
| A．be great friends | B．bring us pleasure |
| C．help us keep healthy | D．do harm to us |
| A．washing your fingernails after touching your pet |
| B．wearing gloves when cleaning your pet’s cage |
| C．washing your pet in the bathtub |
| D．bringing your pet for examinations regularly |
| A．the cow | B．the mother cat |
| C．cow’s milk | D．mother cat’s milk |
| A．Sharing your chocolate with your dog. |
| B．Letting your dog drink from the toilet. |
| C．Feeding your little cat with raw meat. |
| D．Giving your cat cooked fish. |
| A．call an animal rescue group |
| B．bring it back to your home |
| C．give it first aid（急救）in time |
| D．help to find its owner |
People living in the UK take quite a few holidays abroad and in this country each year．Choices made about where to go, how to get there and what to do while there can either benefit or harm the environment．
While on holiday
Many of the things you can do to the greener on holiday will be the same things you can do at home—but there are also some extra things too, like avoiding gifts made from endangered plants and animals．Here are some suggestions:
●Making the most of locally produced food and drink, and local activities and attractions will support people in the area you are visiting and reduce the need for further environmental influence from transport;
●Switching off any air conditioning, heating and lights will help reduce climate change effect;
●Save water—some countries suffer from water shortages and saving water can help avoid damage to our natural habitats （栖息地）.
Endangered species （物种）
Some gifts and foods available in some countries can be made from endangered plants or animals．Check before you buy, but if you doubt, avoid animal and plant gifts．More details of the types of products to avoid and illegal trade hotspots can be found on the Souvenir Alert web page．
Making a positive contribution to the place you are visiting
There are ways in which your holiday can help support local people and the environment:
●There are many opportunities to volunteer and help with projects that conserve and improve natural habitats;
●When you are away, or if you are looking for somewhere to visit, you can support projects or attractions which protect wildlife, such as nature reserves and conservation projects．
【小题1】According to the passage, we can __ to help reduce climate change effect.
| A．make good use of water |
| B．buy local food and drink |
| C．save electricity |
| D．go around on foot |
| A．sometimes they are of poor quality. |
| B．they may not be typical local products. |
| C．some of them will do harm to our health. |
| D．they may be made from endangered animals or plants. |
| A．it is not easy for people to travel abroad. |
| B．not everyone can tell an illegal souvenir. |
| C．green holidays have been accepted by people. |
| D．volunteer work is a must for protecting natural habitats. |
| A．travel dos and don'ts. |
| B．the harm done to the environment. |
| C．greener choices for holiday. |
| D．tips on protecting endangered species. |
It’s hard to track the blue whale, which has almost been killed off by commercial whaling. Attaching radio devices to it is difficult and visual sightings are too unreliable to give real insight into its behavior.
So biologists were delighted early this year when, with the help of the US Navy, they are able to track a particular blue whale for 43 days recording its sounds. This was possible because of the Navy’s former top secret system of underwater listening devices across the oceans.
Tracking whales is but one example of an exciting new world just opening to civilian scientists after the cold war as the Navy starts to share and partly uncover its global network of underwater listening system built over the decades to track the ships of potential enemies.
Earth scientists announced at a news conference recently that they had used the system for closely observing a deep-sea volcanic eruption for the first time and that they planned similar studies. Other scientists have proposed to use the network for tracking ocean currents and measuring changes in the ocean and global temperatures. Different layers of ocean water can act as channels for sounds focusing them in the same way a stethoscope(听诊器) does when it carries faint noises from a patient’s chest to a doctor’s ear. This focusing is the main reason that even relatively weak sounds in the ocean, especially low-frequency ones, can often travel thousands of miles.
【小题1】The underwater listening system was originally designed _________________.
| A．to trace and locate enemy ships |
| B．to observe deep sea volcanic eruptions |
| C．to study the movement of ocean currents |
| D．to replace the global radio communications network |
| A．the ability of sound to travel at high speed |
| B．the top-level technology of focusing sounds under water |
| C．the unique characteristic of layers of ocean water in carrying sound |
| D．low-frequency sounds traveling across different layers of water |
| A．New radio devices are developed for tracking the blue whales. |
| B．Blue whales are no longer endangered with the new system. |
| C．Opinions differ on the use of military technology. |
| D．Military technology has great potential in civilian use. |
| A．An effort to protect an endangered marine species. |
| B．The civilian use of a military detection system. |
| C．The exposure of a US Navy top-secret weapon. |
| D．A new way to look into the behavior of blue whales. |
Animals can move from place to place, but plants cannot. When an animal is under attack, it can run away or fight back. Plants certainly cannot run away, and they lack teeth and claws. But plants can defend themselves by using both physical and chemical means.
Some plants have their own ways to keep animals away. For example, the leaves of the holly plant have sharp spines (刺) that discourage grass-eating animals. Holly leaves on lower branches have more spines than leaves on upper branches. This is because the lower leaves are easier for most animals to reach.
Some plants, such as the oak tree, have thick and hard leaves that are difficult for animals to eat. Some grasses may contain a sandy material; eating such grasses wears down the animal's teeth.
Many plants also have chemical defenses. Some plants produce chemicals that taste bitter or cause an unpleasant reaction. Some plants may fight against an attack by increasing the production of these chemicals. When a caterpillar (毛虫) bites a tobacco leaf, the leaf produces a chemical messenger. This messenger sends to the roots the information to produce more nicotine. The higher levels of nicotine discourage the caterpillar.
Many plants depend on both physical and chemical defenses. A certain plant in China, for instance, has prickly (多刺的) leaves, and each prickle contains poisonous venom (毒液). A single experience with this kind of plant will teach an animal to stay away from it in the future.
【小题1】The holly plant has more spines on the lower leaves because most animals________.
| A．are not tall enough | B．like the lower leaves only |
| C．are not clever enough | D．can get the lower leaves easily |
| A．chemical means | B．physical means |
| C．bitter chemicals | D．sandy materials |
| A．Its leaves fight against the attack by physical means. |
| B．Its roots send a messenger to discourage the caterpillar. |
| C．Its roots increase the production of nicotine when it is attacked. |
| D．Its leaves produce poisonous sand to drive the caterpillar away. |
| A．Plants and Animals | B．How Plants Defend Themselves |
| C．Attacks and Defenses | D．How Animals Eat Plant Leaves |