[简答题]A lot of houses were seriously damaged in the earthquake, so that thousands of people were left homeless.

[简答题]A lot of houses were seriously damaged in the earthquake, so that thousands of people were left homeless.

[单项选择]A. Food chains have been seriously damaged because of weather.
B. Climate change leads to the change of food production patterns.
C. The increasing speed of flowering is beyond scientists’ expectation.
D. Plants’ reaction to weather could have damaging effects on ecosystem.

[填空题]________________ (村民刚被撤离) when their houses were swept away by the flood.

[多项选择]There were a lot of problems and customers looked for a more reliable supplier.
But if ______

[单项选择]Once there were a lot of mice in an old house. They ate up a lot of food. So the owner of the house got a cat. The cat killed many of the mice.
One day the oldest mouse said, "All the mice must come to my hole tonight, and we will decide what we can do about the cat."
All the mice came. They thought hard and tried to find a way to save their lives. Many of them spoke, but no one knew what to do. At last a young mouse stood up and said, "Why not tie (系) a bell around the cat’s neck Then when the cat comes near, we’ll hear the bell and run away and hide. Then the cat won’t catch any more of us."
The oldest mouse said: "That’s a good idea. If we can tie a bell around the cat, it will save many of our lives." After a moment he asked, "But who’s going to do it "
None of the mice answered. He waited but still no one said anything. At last he said, "It’s easy to say things, but not so easy to do them./

A cat killed many mice in an old house.
A. Right.
B. Wrong.
C. Doesn’t say.

[单项选择]A hundred (41) years ago there were a lot of dinosaurs (恐龙) in the world. Some lived on land. Some lived in the sea. Some (42) fly. A lot of them (43) very large and some had horns (角) or long teeth (44) the monsters (怪物) in films. Most of the dinosaurs were plant-eaters, but some of them could kill (45) eat very big animals.
The world was full of dinosaurs for 135 million (百万，百万个) years. 60 million years ago, however (然而，不管怎样), they were (46) dead. (47) happened to them
Some scientists say that about 65 million years ago the world’s climate (气候) (48) cold (寒冷的，伤风) and this cold climate killed the dinosaurs.
Now we eau only see dinosaur bones (骨骼) in (49) , but we can not see a (50) dinosaur any more.


A. hundred
B. thousands
C. million