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  • How much do you learn about the solar system? The following passage will tell you.

    The earth is a planet. It as well as seven   (1)   planets goes around the sun. We   (2)   the eight planets and the sun the solar system. The first planet,   (3)   the sun, is Mercury(水星). It is 58 million   (4)   from the sun. Venus(金星) is the second planet next to the sun, and   (5)   planet, the earth, is the third. It is 150 million kilometers from the sun.

    Jupiter(木星), Saturn(土星), Neptune(海王星) and Uranus(天王星) are all       (6)   than the earth,   (7)   Venus, Mars and Mercury are smaller than the earth.

        Animals, trees and humans can only   (8)    on the earth—the other planets in our solar system do not   (9)    air or water. Do any planets in other galaxies have   (10)  ? We don't know about it.

    【考点】科普环保类,词义辨析,逻辑推理
    【分析】请登陆后查看
    【解答】请登陆后查看
    难度:中等
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