Frank was made________ in the front of the classroom to share his ideas about English learning.
A.stand B.stood C.to stand D.standing
Linda along with her parents ______________Beijing twice.
A.has been to B.have been to C.has gone to D.have gone to
The amazing games made them ______________ in the end.
A.friendly B.happily C.safely D.luckily
They spent as much time as they could __________a digital camera online.
A.ordered B.order C.to order D.ordering
世界末日是许多西方科幻电影展现的主题。为了生存，人类不得不逃离地球，探索移居其他星球，而国产电影《流浪地球》却给出一个充满家国情怀的中国式解决方案：拯救地球，与地球一同流浪。
作为中学生，我们如何拯救地球呢? 请以How to save the earth?为题写一篇100词左右的短文，要求条理清晰，字迹工整，不得出现真实的学校与姓名，内容须包含以下要点：
1. 节约能源, 随手关灯、水龙头；
2. 大力植树，减少污染，保护环境；
3. 做好环保宣传工作，让更多的人了解环保的重要性；
How to save the earth?
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Can dolphins talk? Maybe they can't talk with words but they talk with sounds. They show their feelings with sounds.
Dolphins travel in a group. We call a group of fish a "school. They don't study, but they travel together. Dolphins are mammals (哺乳动物), not fish, but they swim together in a school.
Dolphins talk to the other dolphins in the school. They give information. They tell when they are happy or sad or afraid. They say "Welcome" when a dolphin comes back to the school. They talk when they play.
They make a few sounds above water. They make many more sounds under water. People cannot hear these sounds because the sounds are very, very high. Scientists make tapes of the sounds and study them.
Sometimes people catch dolphins for a large aquarium (An aquarium is a zoo for fish). People can watch the dolphins in a show. Dolphins don't like to be away from their school in an aquarium. They are sad and lonely.
There are many stories about dolphins. They help people. Sometimes they save somebody's life, Dolphin meat is good, but people don t like to kill them. They say that dolphins bring good luck. Many people believe this.
1.How can dolphins express their feeling?
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2.What is a school of dolphins?
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3.Why cannot people hear these sounds the dolphins make?
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4.How does a dolphin feel in an aquarium?
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5.Why don’t people like to kill dolphins?
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