问题
单项选择题
WHO认为一个有代表性的社区，其人口(单位：万人)和面积(单位：万平方公里)的要求是
A．(1～5，0.05～0.1)
B．(5～10，0.1～0.5)
C．(10～30，0.5～5)
D．(30～50，5～10)
E．(5～30，0.1～5)
答案
参考答案：C
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WHO认为一个有代表性的社区，其人口(单位：万人)和面积(单位：万平方公里)的要求是
A．(1～5，0.05～0.1)
B．(5～10，0.1～0.5)
C．(10～30，0.5～5)
D．(30～50，5～10)
E．(5～30，0.1～5)
参考答案：C
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| Last Sunday was fine, Mike 1 stay at home. He was on a 2 to the zoo. A woman with a baby got on the bus. Mike stood up and 3 to her, "Come and sit here, please." He helped the woman 4 . "Thanks 5 , good boy," the woman said. "You're welcome," said Mike. The bus went on. Thirty minutes later, it 6 at the zoo. Mike got off the bus and said 7 to the woman. The woman smiled (微笑) at him in a friendly way. Mike went into the zoo. 8 of the people there were students. He 9 a lot of animals, and he also took many photos. He spent a happy weekend 10 he helped others and had a good time in the zoo. | ||||
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