任务一 图片匹配

1. It is a very large animal with a long nose called a trunk. It uses the trunk to pick up things.
2. It looks like a bear, has black-and-white fur and lives in the bamboo forests.
3. It is an African wild horse and has black-and-white stripes.
4. It is a large African animal with a very long neck, long legs and dark patches on its body.
5. It is a large animal belonging to the cat family. It is orange with black stripes.

1. E；2. A；3. C；4. B；5. D

1. 描述中提到“有被称为象鼻的长鼻子的大型动物”，对应图E的大象；
2. 描述中提到“看起来像熊，有黑白皮毛，生活在竹林里”，对应图A的熊猫；
3. 描述中提到“非洲野马，有黑白条纹”，对应图C的斑马；
4. 描述中提到“非洲大型动物，有很长的脖子、长腿，身上有深色斑块”，对应图B的长颈鹿；
5. 描述中提到“属于猫科的大型动物，橙色带黑色条纹”，对应图D的老虎。

任务二 完形填空
Dogs are our friends. In our daily life, dogs are helpful in different ways.
As guide dogs, they look after the blind. In some hospitals, some patients are too 1, so the dogs even open the doors, and turn on or off the lights for them. They are friendly helpers to make patients feel 2. Sometimes they work with the police and help 3 bad men. They also 4 people in danger. But do you know that people train dogs to help protect insects and animals?
Dogs use their ______ 5 ______ to find out the harmful insects in the trees. For example, in May every year, a kind of insects kill ash trees by ______ 6 ______ their branches and roots. These insects lay eggs in the ______ 7 ______ . When the eggs grow into insects, they begin to eat part of the trees. But the eggs of the insects are so small that people can ______ 8 ______ see them. With dogs' sniffing, scientists can find the ______ 9 ______ and do something.
Dogs also help protect animals in their own ways. Every year, some people catch or even 10 animals for things they need, from the shark's fin to the tiger's fur. Then they make 11 like clothes and medicine and sell them illegally. Dogs' special smelling helps the police find them out and 12 the selling. If there is no 13 and selling, there will be no killing.
14 waste is another useful way for dogs to protect animals. Scientists can learn a lot about the animals from the waste. Then they can use the 15 they get to help protect them. Dogs certainly become not only man's best friends, but also the earth's best friends.
1. A. strong B. kind C. small D. weak
2. A. helpful B. careful C. happy D. excited
3. A. bite B. catch C. follow D. miss
4. A. save B. watch C. check D. smell
5. A. noses B. heads C. eyes D. ears
6. A. cutting B. eating C. finding D. designing
7. A. gardens B. houses C. trees D. cages
8. A. often B. always C. usually D. seldom
9. A. insects B. eggs C. trees D. signs
10. A. cook B. eat C. kill D. feed
11. A. things B. presents C. examples D. works
12. A. stop B. keep C. help D. finish
13. A. raising B. growing C. carrying D. buying
14. A. Hearing B. Smelling C. Feeling D. Looking
15. A. notice B. study C. information D. number

1. D
2. C
3. B
4. A
5. A
6. B
7. C
8. D
9. B
10. C
11. A
12. A
13. D
14. B
15. C

1. 根据前文“some patients”以及狗帮他们开门、开关灯的语境，可知病人身体虚弱，weak（虚弱的）符合语境，故选D。
2. 狗作为友好的帮手，会让病人感到开心，happy（开心的）符合语境，故选C。
3. 结合“work with the police”可知，狗会帮助警察抓坏人，catch（抓住）符合语境，故选B。
4. 根据“people in danger”可知，狗会救助处于危险中的人，save（救助）符合语境，故选A。
5. 由后文“sniffing（嗅）”可知，狗用鼻子找树上的害虫，noses（鼻子）符合语境，故选A。
6. 根据后文“they begin to eat part of the trees”可知，昆虫通过吃树枝和根杀死白蜡树，eating（吃）符合语境，故选B。
7. 结合前文提到的危害树木的昆虫，可知它们把卵产在树上，trees（树）符合语境，故选C。
8. 根据前文“the eggs of the insects are so small”可知，人们很少能看到这些卵，seldom（很少）符合语境，故选D。
9. 前文提到昆虫的卵很小人们看不到，所以狗帮忙找到这些卵，eggs（卵）符合语境，故选B。
10. 由后文“there will be no killing”可知，人们会捕杀动物，kill（杀死）符合语境，故选C。
11. 根据“like clothes and medicine”可知，人们制作这些物品，things（物品）符合语境，故选A。
12. 结合“find them out”可知，警察会阻止这种非法售卖，stop（阻止）符合语境，故选A。
13. 俗语“没有买卖就没有杀害”，buying（购买）对应后文的selling（售卖），故选D。
14. 狗通过嗅粪便来帮助保护动物，Smelling（嗅）符合语境，故选B。
15. 科学家从粪便中获取信息来保护动物，information（信息）符合语境，故选C。