閱讀下面短文，從短文後所給各題的四個選項(A，B,C,D)中，選出可以填入空白處的.最佳選項。
The world is divided (分) into two parts. One half of the world is rich and is poor. In the poor part, a lot of people have never got enough to eat. When they are ill, the hospitals can receive them because they have no enough . In the rich part, a lot of people too much. For example, a dog or a cat in North America eats more than a child in poor countries.
The poor countries have some other difficult problems. Sometimes the land is too poor to grow on. People there don’t have rich land or enough water. The land can be made better, but a lot of things must be done. The people be taught and water must be found.
But rich countries have problems. too. There’re not good places to . Sometimes the air is not clean and the rivers are too dirty to swim in or drink. The roads and streets are full of people and buses. Cars and buses have to move . Noise is too much. Some people don’t have houses. People must do something about the problems.
People must clean the air and the rivers, and they must them clean. People have to build more houses. we can’t do these things easily.
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閱讀下列材料，從每題所給的四個選項(A、B、C、D)中，選出最佳選項。
A teacher stood in front of his history class of twenty students just before handing out the final exam. His students sat quietly and waited for him to speak.
“It’s been a pleasure teaching you this term,” he said. “You’ve all worked very hard, so I have a pleasant surprise for you. Everyone who chooses not to take the final exam will get a ‘B’ for the course.”
Most of the students jumped out of their seats. They thanked the teacher happily, and walked out of the classroom. Only a few students stayed. The teacher looked at them. “This is your last chance,” he said. “Does anyone else want to leave?” All the students there stayed in their seats and took out their pencils.
The teacher smiled. “Congratulations (祝賀),” he said. “I’m glad to see you believe in yourselves. You all get A’s.”
story most probably took place .
the beginning of the term
B．in the middle of the term
C．at the end of the term
D．at the beginning of the school year
of the students got Grade ______.
A．‘A’
B．‘B’
C．‘C’
D．‘F’
did some students stay in their seats?
use they wanted to take the exam.
use the teacher told them to stay in their class.
use they were afraid to leave.
use they didn’t have anything to do.
