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4. What does not the robot owned by the housewives have?

   A. One large eye on the top.

   B. Several arms.

   C. Long narrow pads.

   D. Black hair.

4. D
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C 

Bullying is surprisingly common among humans— happening not only on school playgrounds but also,in the workplace and even,among so-called friends. However,hearing that it may happen in the animal world is a little surprising,especially considering that bullies are none other than the friendliest of all marine mammals- dolphins!

That according to a scientist Peter Wallerstein and director of El Segundo's Marine Animal Rescue program can be the only reasonable explanation for a lonely dolphin that has been swimming around in circles in Southern California's Bolsa Chick Wetlands since Thursday,April 26th,2012.

When they first found the marine mammal (海洋哺乳动物) alone,the staff from Marine Animal Rescue program thought that it was just a dolphin which fall behind and tried to drive it off into the Pacific Ocean. However,as soon as it tried to swim away,it was greeted by two violent dolphins that began trashing violently in the water,forcing the 250-pound animal called “Bolsa Chick Bob”，to come back into the wetlands.

Dennis Kelly,chairman of the Marine Science Department of Orange Coast College disagrees. The dolphin expert who has been working with these wonderful animals for 34 years,believes that while dolphins sometimes get impatient and smack (拍打) each other with their tails,they do not bully one of their own.

He thinks that this aggressive behaviour is similar to a time out and therefore,a short-term punishment for a dolphin that was probably not paying attention and falling behind,when the rest of the animals was trying to leave.

Whatever it is,the good news is that the bullied or punished dolphin is safe. There is plenty of fish to eat and its health seems fine. While experts are constantly keeping an eye on it,they are hoping that it will finally find the courage to venture out and join the rest of its group. They will,however,plan on a rescue task if it becomes necessary.

46. From the first paragraph we can infer .

   A. there were few examples of bullying among animals

   B. humans seldom bully animals in the oceans

   C. dolphins are friendly to humans very much

   D. bullying happens in no other than playgrounds

47. What does the underlined word “that” refer to?

   A. schools are where bullying usually happens

   B. bullying happens in the animal world

   C. friends can sometimes bully each other

   D. dolphins are the friendliest of all marine mammals

48. Why DIDN’T Bolsa go into the ocean?

   A. Because it found many fish in the wetlands.

   B. Because it was impatient to look for his pods.

   C. Because it was attacked by two other dolphins.

   D. Because it was frightened by the violent water.

49. According to Dennis,two dolphins bullied Bolsa to.

   A. keep it safe in the wetlands

   B. bully it to death in the end

   C. leave it behind for ever

   D. punish it for its mistake

50. What might be the most suitable title for the passage?

   A. Do animals bully each other too?

   B. Are animals punished for their behaviour?

   C. Is a dolphin brave enough to go back?

   D. Will people be kind to animals?

3. She made a in our plan to play volleyball when it started to snow.

   A. switch   B. turn

   C. point   D. exchange

10. The person who is of the factory ill since last week.

   A. in charge;has been   B. in the charge;has fallen   C. taking charge;was   D. in charge;fell

2. Joe worked so hard that he made himself ill.

   A. awfully   B. eventually

   C. purposefully   D. actually

9. New trucks are widely used in the countryside in the city.

   A. as well   B. both and

   C. also   D. as well as

3. I still think travelling around the world alone is (冒险的) .

4. At 10 o’clock tonight,I (将在做) my homework.

8. His collection of paintings is most i .

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