题目列表(包括答案和解析)
Read the passage and fill in the blanks with proper words．(在短文内填入适当的词，使其内容通顺，每空格限填一词，首字母已给。)
I recently heard a story about a famous scientist．Because of his great achievement , he was thought to be more creative than the average person．When he was ask w 1 he was able to do this ,he gave the answer．It all came from an e 2 with his mother when he was about two years old．"I was trying to get a bottle of milk from the fridge when I lost the bottle and it fell, spilling the milk all over the floor a sea of milk ! I was f 3 and I didn't know what to do ! " he said．
His mother heard the noise and got into the kitchen．" I was c 4 how to explain all this to you ,mom．" he said．Instead of punishing(惩罚)him, she said "Robert ,what a great mess you have made! I have never seen such a huge sea of milk before! well, since the milk has a 5 been spilled ,would you like to play in the milk for a while ? We can it up after that．"
Indeed , he did so．After a few minutes , his mother said,"You know ,Robert ,whenever you make a mess like this , finally you have to clean it up．" He used a sponge(海绵)and together they cleaned up the spilled milk．
His mother then said ,"you know ,we failed in how to successfully carry a big milk bottle with two tiny hands just now．Let's go out in the yard and fill the bottle with water to see if you can f 6 a new way to carry it．"Then the little boy learned that if he grasped the bottle at the top near the lip with both hands , he could carry it w 7 dropping it．
What a wonderful lesson!
Do you know why different animals or insects have their special colors? Colors are used mainly to protect themselves.
Why can’t some birds easily catch locusts（蝗虫）? It is because locusts change their colors together with the change of the colors of crops. When crops are green, locusts look green. But as autumn comes, locusts change to the same brown color as crops have. Some other insects with different colors from plants are easily found and eaten by others. So they have to hide themselves for lives in the day and appear only at night.
If you study the animal life, you’ll find the main use of coloring is to protect themselves. Bears, lions and other animals can’t be easily seen by hunters. This is because they have the colors much like the trees.
Have you ever noticed an even more strange thing? A kind of fish in the sea can send out black liquid when it faces danger. While the liquid spreads over, its enemies can’t find it. And it quickly swims away. So it has lived up to now though it is not strong at all.
【小题1】 From the article we learn that locusts .
| A．are dangerous to their enemies | B．are easily found by birds |
| C．change their colors to protect themselves | D．are small animals |
| A．They have to move quietly. |
| B．They hide themselves in the day and appear at night. |
| C．They have the colors much like their enemies. |
| D．They run away quickly. |
| A．they live in forests | B．they like brown and grey colors |
| C．they move quietly | D．they have the colors similar to the trees |
| A．气体 | B．固体 | C．液体 | D．水蒸气 |
| A．The Main Use of Colors for Animals and Insects |
| B．Colors of Different Animals and Insects |
| C．The Change of Colors for Animals and Insects |
| D．The Change of Different Animals and Plants |
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.
【小题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. |
| A．Oil searching. | B．Widespread fishing. |
| C．Human's killing. | D．Warming of the oceans. |
| 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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