网址：http://m.1010jiajiao.com/timu3_id_2384888[举报]
Many animals try to look bigger than they are to stay alive. Some animals can make other animals think they are very big. If they look very big, animals that are looking for food will run away. Bears can walk on two legs. They look very, very scary(可怕的). Some animals will run away from them.
Many animals try to stay around other animals. This helps them stay alive. Zebras stay close together so that they can help each other look out of danger. Seeing many stripes(条纹) at once can also confuse(使混乱) animals that want to eat them. Some birds stay in a circle, each toward a different direction. In this way they can also help each other stay alive by looking around for animals that may want to eat one of them.
小题1:Animals have ways to stay alive. Which animal try to look bigger than they are to stay alive in the passage?
| A．Zebras. | B．Chameleons. | C．Birds. | D．Bears. |
| A．Because they like to play hide-and-seek. |
| B．Because they are shy. |
| C．Because they want to catch other. |
| D．Because they want to protect themselves. |
| A．They change colors. | B．They change shapes. |
| C．They hide in snow. | D．They hide in leaves. |
| A．Become good friends. | B．Talk to each other. |
| C．Help each other look out for danger. | D．Eat and play together. |
| A．They want other animals to run away from them. |
| B．They want other animals to follow them. |
| C．They want other animals to see them. |
| D．They want other animals to like them. |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
A detective is a policeman, but he does not wear a uniform. He works in his ordinary clothes. If he wears a uniform, robbers will know that he is a policeman. Then they will avoid
（躲避）him.To
“detect”means“to find out”. A detective finds out who does bad things. He can sit in a coffee shop with other customers. He can listen to people talking. Some thieves（小偷）may want to rob a shop. If they talk, a detective may hear them. Then policemen will hide（藏）in the shop. When the thieves come, the policemen will catch them.A detective can go to a football match. He can watch for pickpockets and catch them. Pickpockets are people who steal
（偷）things from people's pockets.A detective must be clever, honest and brave. He works hard and helps to protect us.
(1
）A detective is ________.[ ]
A
．a uniformed policeman whose work is to catch criminals（罪犯）B
．a policeman out of uniform whose work is to find out criminalsC
．an ordinary man who finds about criminalsD
．an ordinary policeman whose work is to avoid criminals(2
）Which of the following statements is not right?[ ]
A
．A detective always goes to a coffee shop for information（消息）B
．Information can sometimes be overheard by the detective in a coffee shop.C
．Criminals might talk about their plans in a coffee shop.D
．The coffee-shop situation（在咖啡馆了解情况）is an example of a detective's work.(3
）Sometimes policemen may hide in a shop ________.[ ]
A
．so that a detective can't give him informationB
．to catch a detective's informationC
．so that other policemen cannot use the informationD
．to act on the detective's information(4
）Which sentence is true?[ ]
A
．It is dangerous for thieves to drink coffee.B
．Bad men are foolish if they talk too much.C
．All the people who go to a coffee shop are bad.D
．A detective can do nothing for us.(5
）A detective might go to a football match to ________.A
．catch thievesB
．steal thingsC
．put things in people's pocketsD
．watch the players 查看习题详情和答案>>There are about 35 kinds of seahorses in the sea. They all live in warm water. The smallest seahorse is 5 cm long and the largest is 35 cm long. Seahorses are strange, they come in different colors to hide （躲藏） from their enemies （敌人）. They swim upright and have no teeth at all! The father seahorse has a bag and the eggs grow in it. And the father seahorses also give birth （生） to the baby seahorses and look after them!
Seahorses look like question marks. They use their tails to attach （依附） themselves to grass or coral reefs （珊瑚礁） so they won't float away （漂走）.
But unlike the starfish, seahorses are fish.
根据短文内容判断正(T)误(F)。
(1) Seahorses live in cold water.
( )
(2) Seahorses can change their colors.
( )
(3) The mother seahorses look after the babies.
( )
(4) Seahorses don't have teeth.
( )
(5) Starfish are fish.
( )
查看习题详情和答案>>