Unit 4 第2课时Reading-【帮课堂】2023-2024学年九年级英语下册同步学与练（牛津译林版）

Unit 4 Life on Mars 第二课时Reading 01务 学习目标 I. 掌握以下单词 planet, crowded, polluted, rapid, increase, passenger, uncomfortable, oxygen, tasty, specially, float, compare, interplanetary, network, challenging, rapidly II. 掌握以下短语 all over, again, at a/the speed of, in the form of, compare to/with III. 掌握以下句型 1.Food would most probably in the form of pills and would not be so tasty. 2.The gravity on Mars is only about three-eighths of that on the Earth. 3.Compared with life on the Earth, people would have more space. 02 预习导学 Ⅰ. 根据句意及汉语提示完成单词 1. planet 2. crowded 3. polluted 4. rapid 5. increase 6. passenger 7. uncomfortable 8. oxygen 9. tasty 10. specially 11. float 12. compare 13. interplanetary 14. network 15. challenging 16. rapidly Ⅱ. 英汉互译短语（短语预习） 1.all over 2. again 3.at a/the speed of 4. in the form of 5.compare to/with 03 探究提升 1.】(1) At present, our spacecraft are too slow to carry large numbers of passengers to Mars-it would take months. (P. 52) 【知识详解】a number of相当于numbers of意为“许多、大量”用来修饰可数名词复数，作主语时，谓语动词用复数形式；the number of意为“……的数量”，作主语时，谓语动词用单数形式。 Eg：A number of students are playing tennis. The number of the students in our school is over 2000. 2. The gravity on Mars is only about three-eighteens of that on the Earth. (P. 53) 【知识详解】分数的表达，分子用基数词，分母用序数词，分子大于1时，分母加s表示复数。 Eg：1/3 one third 3/8 three eighths 【拓展】“分数+of+名词”作主语时，谓语动词单复数，取决于名词的单复数。名词为单数则谓语动词用单数，名词为复数则谓语动词用复数。 Eg：1. Two thirds of the land is covered with water. 三分之二的陆地都是被水所覆盖的。 2. One fifth of the students come from the countryside. 五分之一的学生来自农村。 3.People would have to wear boots that are specially designed to prevent themselves from floating off into space.(P. 53) 【知识详解】 prevent表示“阻止”时，常用于“prevent sb. from doing sth.”结构中，意为“阻止某人做某事”，动词prevent也可以换成stop或者keep。 eg:We should prevent/stop/keep farmers from cutting the forests. 4.Compared with life on