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| 共计 4 道试题
单词拼写-根据首字母填空 | 适中(0.65) |
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2 . Mars has less g________ because its density (密度) is smaller than the earth. Someone who weighs 50 kilos on the earth weighs only 19 kilos on Mars! (根据首字母单词拼写)
3 . ________ (如果没有重力), there would be no air around the earth. (根据汉语提示完成句子)
2023-01-14更新 | 220次组卷 | 2卷引用:北师大版2019选择性必修四 Unit 12 Lesson 3 Stephen Hawking单元测试
单词拼写-根据首字母填空 | 较易(0.85) |
4 . After many experiments, they succeeded in making rockets that could escape Earth’s g________.(根据首字母单词拼写)
共计 平均难度:一般