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阅读理解
阅读下面材料，从每题所给的四个项选(A)、(B)、(C)和(D)中，选出最佳选项。
Australia is the largest island in the world. It is a little smaller than China. It is in the south of the earth. Australia is big, but its population is small. The population of Australia is nearly as large as that of Shanghai.
Enough laws(法律) have been made to fight against pollution. The cities in Australia have got little air or water pollution. The sky is blue and the water is clean. You can clearly see fish swimming in the rivers. Plants grow very well.
Last month we visited Perth; the biggest city in Western Australia, and went to a wild flowers' exhibition(展览). There we saw a large number of wild flowers we had never seen before. We had a wonderful time. Perth is famous for its beautiful wild flowers. In spring every year Perth has the wild flowers' exhibition. After visiting Perth, we spent a day in the countryside. We sat down and had a rest near a path at the foot of a hill. It was quiet and we enjoyed ourselves. Suddenly we heard bells ringing at the top of the hill. What we saw made us pick up all our things and run back to the car as quickly as we could. There were about three hundred sheep coming towards us down the path.
Australia is famous for its sheep and kangaroos. After a short drive from any. town, you will find yourself in the middle of white sheep. Sheep, sheep, everywhere are sheep.
1．Australia is ________.
[ ]
A．the largest country in the world
B．larger than China
C．as large as Shanghai
D．not so large as China
2．Enough laws have been made to ________.
[ ]
A．increase the population
B．grow more plants
C．fight against pollution
D．show wild flowers
3．Perth is ________.
[ ]
A．the capital of Australia
B．in the west of Australia
C．in the east of Australia .
D．the biggest city in Australia
4．In Perth you may visit a wild flowers' exhibition in ________.
[ ]
5．Which of the following sentences is TRUE?
[ ]
A．All the big cities in Australia are seriously polluted.
B．Australia is famous for. its sheep, kangaroos and large population.
C．We ran back to the car because we were in the middle of the white sheep.
D．If you go to the countryside in Australia, you will see a large number of white sheep.
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Cats have a pair of vomeronasal organs(犁鼻器) on the roof of the mouth. When the cat wants to sniff, she will breathe the air in through her mouth. At this moment, she will often squint(斜视) her eyes and maybe even flatten(使…平坦) her ears. This makes her look like she is making faces. The vomeronasal organs will then analyze the smell---almost as if the cat is tasting the smell.
When you come home from outside the house, your cat can smell what you had for lunch and for a mid-afternoon snack. She can smell the people you shook hands with and your neighbour you stopped to talk to and hug. She can smell the grass brought under your shoes as you took a shortcut across the lawn. Your cat’s sense of smell is so good that she can smell difference between a gallon of water with a teaspoon of salt in it and plain water. In comparison, we think of salt as completely tasteless.
Cats have scent glands(臭腺) on each side of the forehead, on the chin, the lips and next to the tail. When your cat rubs up against your hand, your leg, the sofa, and your bed, she is leaving her scent in those things. She will then use her sense of smell to recognize “her” things, people and even other pets in the home.
If you want to have fun with your cat’s sense of smell, take some small bits of different things, such as a bit of chicken, some flowers and some fish. Place each different scent under a piece of paper towel(so your cat cannot see any of them) and encourage your cat to investigate and find what kind of food she likes to eat best.
小题1:Cats know whether the food is fit to eat or not with their____________.
| A．sense of touch | B．scent glands | C．organs of smell | D．sense of taste |
| A．cats are very smart |
| B．cats have a good sense as dogs |
| C．salty water has a special smell |
| D．cats’ sense of smell is excellent |
| A．She puts her scent on it. |
| B．She shows respect to you. |
| C．She asks you to play with her. |
| D．She smells where you were just now. |
| A．Smell. | B．See. | C．Search. | D．Send. |
| A．cats are one of our best friends |
| B．cats have sharp sense of smell |
| C．sense of smell is very important |
| D．cats know if something is safe to eat |
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