题目列表(包括答案和解析)
Lucy: Does Aunt Tara enjoy ?
Mark: Yes. She has three dogs, two rabbits, four birds, and some fish in her house.
(A) collecting dolls (B) keeping pets (C) visiting the zoo (D) working on the farm
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根据短文内容,用方框中所给单词的适当形式填空,每词限用一次,其中有两个为多余选项。请将答案写在题后横线上。
Rainforests cover six percent of the earth’s surface.There are rainforests in many 1 of the world, but the biggest forests are in South America, Africa and South East Asia.There aren’t any rainforests in Europe or North America.
About 75%of all the types of animals 2 from rainforests.Thousands and thousands of animals live in rainforests.There are many beautiful birds, insects and reptiles.Many of them live in the trees, over 30 meters from the 3 .There are also thousands of different plants-and lots of them are tall trees!It is always hot in a rainforest and the ground is always wet.It is 4 very dark there.
The rainforests are very important for us.We 5 them!The trees and other plants in the forest help to make the air that we breathe.They also help to control the 6 .They give us wood, rubber, fruits and many of our medicines.
Unfortunately, in many places, the rainforests are in danger.For example, many 7 ago there was a large rainforest in Java.There were thousands of different plants and animals in the forest, but now there is nothing.People cut down the trees 8 they wanted to grow rice.They also wanted to grow rubber trees 9 rubber.Many animals lived in the rainforest.Some of them went to other parts of Java, but many of them disappeared-forever.The same thing 10 now in many other parts of the world.The rainforests are in danger!
1.________ 2.________ 3.________ 4.________ 5.________
6.________ 7.________ 8.________ 9.________ 10.________
As many as 10 of the 17 kinds of penguins(企鹅)may be in danger of disappearing. The number of penguins have decreased(减少) by 30% since 1987.
Penguins are black and white birds that live in the southern part of the world. They are common in South America,New Zealand,Australia and South Africa. Many live near cold waters. But some live near warm waters in Galapagos Islands. Penguins cannot fly,but they are fine swimmers. Penguins eat fish and krill(磷虾).
The warming of the earth is the decrease in penguin populations. The heating of the air has caused ocean waters to become warmer. Higher water temperatures have reduced the supply of fish and krill. Some years later these birds are completely unable to reproduce(繁殖). Besides,many adult penguins die of hunger.
Widespread(广泛的) fishing,exploration for oil and oil leaks(漏) also make penguins be in danger. Poisonous organisms(生物) in ocean water are another danger. Penguins also have their enemies,including wild dogs,sharks,seals and sea lions.
News about penguins is not all bad,however. Several years ago,oil leaking from a ship hurt 40% of the penguins in South Africa. The penguins became covered with oil. But thousands of people helped clean and treat the birds well. Then they returned the penguins to the wild. Now these South African penguins are reproducing in higher numbers than before the oil leaking.
1.Penguins ___________.
A.can swim better than fly B.can be found near Oceania (大洋洲)
C.eat fish only冬腊月 D.live only in cold waters.
2.Which of the following is NOT the cause of penguin's decrease in numbers?
A.Oil searching. B.Widespread fishing.
C.Human's killing. D.Warming of the oceans.
3. Why are the penguins in South Africa reproducing in higher numbers than before the oil leaking?
A.Because people removed the ship.
B.Because people sent a lot of penguins to the wild.
C.Because people helped the penguins.
D.Because people treated the penguins well.
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