一、请阅读下面的短文，根据短文内容，从短文后的选项中选出能填入文中空白处的最
佳选项。（提示：每个选项只用一次，选项中有一项为多余选项）
A.They also show their feelings with sounds.
B. They are sad and lonely.
C. They tell when they feel happy or sad or afraid.
D. Sometimes they save somebody's life.
E.They make many more sounds under water.
F. They are very cute to do many things
   Can dolphins talk? Maybe they can't talk with words, but they can talk with sounds. 1.______They are mammals(哺乳动物),but they swim together in a group.
   Dolphins talk to the other dolphins in a group. They give information. They say "Welcome"when a dolphin comes back to the group. 2._______They talk when they play.
   They make a few sounds above water. 3.
▁▁People cannot hear these sounds because their pitch(单调)is very high.Scientists make tapes of the sounds and study them.
   Sometimes people catch a dolphin for a large aquarium. (Aquarium is a zoo for fish.) People can watch the dolphins in a show. Dolphins don't like to be away from their group in an aquarium.4._______
Dolphin meat is good,
   There are many stories about dolphins. They help people. 5._______ Dolphin meat is good,but people don't like to kill them. They say that dolphins can bring good luck to them. Many people believe this.
二、请你阅读下面的短文，并根据短文内容，从下列方框里的六个句子中选择五个还原到短文中，使短文的意思完整、连贯。
A. You cannot be more careful when crossing the street.
B. Here are some tips for you.
C.You should ask for help loudly.
D. Don't let the rider go before your parents arrive.
E. Put wet things on your body and try to find an exit.
F. You'd better find a place to avoid the rain.
   According to a survey(调查),students' safety is a very big problem. Do you know how to protectyourself? 1._______
   ①If you are in a traffic accident：
   If a car hits you, you should remember the car's license plate and call the police. If a bike hits you,call your parents at once. 2.________
   ②If it is raining hard：
   3.________ Don't stay at high places and stay away from trees.
   ③If there is a fire：
   Get away as fast as you can. 4._______ Do not take the lift.
   ④If someone is drowning(溺水）：
    If you can't swim, don't jump into the water to save him or her. 5.________ It is a good idea to find a good swimmer.
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