2019小升初英語(yǔ)閱讀理解專項(xiàng)訓(xùn)練及答案（六）

　　The Earth is big. There are rocks(巖石)on the Earth. There is soil(土壤) on the Earth. There is water on the Earth.

　　Look at the people on the Earth. Do they float(漂浮) on the Earth? Jump. You come down to the ground. Jump up again. You come down again. You always come down to the ground.

　　The Earth pulls things down. The pull of the Earth is gravity(引力).

　　(   )1.The Earth is       .

　　A.big                         B. wide

　　C. small                          D. short

　　(   )2.There are        on the Earth.

　　A. rocks                            B. soil

　　C. water                            D. A,B&C

　　(   )3.Do people float on the Earth?

　　A. We don’t know.                B. No, they don’t.

　　C. Yes, they do.                    D. It is not clear.

　　(   )4.What makes people come down to the ground again?

　　A. The gravity of the Earth.

　　B. We don’t know.

　　C. The rocks of the Earth.

　　D. The water of the Earth.

　　(   )5.If you jump, you come down to       .

　　A.the soil                          B. the rocks

　　C. the Earth                       D. the ground

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