B3Unit4 Astronomy：the science of the stars-Language Points

Unit 4 Astronomy: the science of the stars

天文学：恒星科学

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Ⅰ. 单词盘点 根据词性和汉语意思写出词汇 astronomy n. ) 1. __________( system n. ) 2. _______( theory n. ) 3. ______( atmosphere n. ) 4. ___________(

天文学系统；体系；制度

学说；理论大气层；气氛点击进入相应模块

fundamental adj. ) 5. ____________( 6. ____( thus adv. ) puzzle vt. & vi. ) 7. ______( (n. ) gentle adj. ) 8. ______( crash vi. &vt. ) 9. ______(

基本的；基础的 因此；于是 (使)迷惑；(使)为难 谜；难题 温和的；文雅的 碰撞；坠落 拉(力);拖；牵引力点击进入相应模块

pull n. &vt. ) 10. ____(

float vi. &vt. ) 11. _____(

(使)浮动；(使)漂浮

(n. ) 漂浮物 violent adj. )猛烈的；激烈的；强暴的→ ________( violence n. )暴力 12. _______( violently adv. )暴力地；猛烈地 → ________( unlike prep. )不同；不像→ _____( like vt. )喜欢(prep. )相像→ 13.______( likely adj. )可能的 _____(

harmful adj. )有害的→ ______( harm n. &v. )伤害→ ________ harmless 14. ________((adj. )无害的

exist vi. )存在；生存→ _________( existence n. )存在；生存 15. _____(点击进入相应模块

Ⅰ.重点单词 astronomy n.天文学→ astronaut n.宇航员 1. 2. system n.系统；制度→ systematic adj.成体 系的 3. religion n.宗教→ religious adj.宗教的 4. theory n.学说；理论 5. violent adj.猛烈的；激烈的→ violently adj.猛 烈地→ violencen.暴力 点击进入相应模块

6. atmosphere n.大气层；气氛 7. unlike prep.不同；不像→ dislike vt.不喜欢 8. fundamental adj.基本的；基础的→ fundamentally adv.基本上 9. thus adv.因此；于是 10. gentle adj.温和的；文雅的→ gently adv.温和 地 11. physicist n.物理学家→ physics n.物理学 → physical adj.物理的；身体的点击进入相应模块

12. mass n.质量；团；块；大量→ masses n.群众 harmless harmful 13. adj.有害的→ adj.无害的→ harm n. & vt.伤害，损害 14.exist vi.存在；生存→ existence n.存在； 生存 15. puzzle n.谜；难题 vi. & vt.(使)迷惑；(使) 为难→ puzzled adj.迷惑的→ puzzling adj.令人迷惑的点击进入相应模块

【品词自测】根据所给词的适当形式填空 ①The robbers hit them violently _______. They couldn’t bear it any more so they decided to answer _______ violence and violence with _______ began their _______ violent fightback. (violent) harmful gases. They may do _____ harm to ②This object gives off ________ harmless before you use our health. You must make the object _________ it. (harmful) existence of ghosts? Perhaps they only ③Do you believe in the ________ ____ exist in the minds of some people. (exist)点击进入相应模块

Ⅱ. 短语回放

1. 及时；终于2. 产生；分娩

in time _______ give birth to ___________in one’s turn ____________ prevent. . . from ______________ block out ________

3. 轮到某人；接着4. 阻止；制止 5. 挡住(光线)

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6. 感到高兴；感到振奋 7. 既然 8. 突发；爆发 9. 密切注视；当心；提防 10. 和；以及

cheer up ________

now that ________break out _________ watch out _________ as well as _________

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Ⅱ.重点短语 1. in time及时；总有一天 2.be fundamental to 是 的基础 3. lay eggs下蛋 4.be different from 与 不同 5.give birth to 产生；分娩点击进入相应模块

6. in one's turn轮到某人；接着 7.prevent... from 阻止；制止 8. as a result of由于 9.block out 挡住(光线) 10.depend on 依靠；信赖 11.get close to 接近；靠近点击进入相应模块

12.cheer up 高兴起来 13.now that 既然；由于 14.get the hang of熟悉；掌握 15.break out 突然爆发

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Ⅲ. 句式扫描What it was to become 它会变成什么样)was uncertain until 1. ____________________( between 4. 5 and 3. 8 billion years ago when the dust settled into a solid globe.

so violent that 如此猛烈以至于) it was 2. The earth became _____________(not clear whether the shape would last or not.

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made it possible for 3. This produced a chain reaction, which _________________life to develop 使得生命得以发展). _____________( 4. But when I tried to step forward, I found I was carried twice as far as 两倍远)on the earth and fell over. _____________(

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【仿句自测】根据下面句式仿写句子 ①make it +adj. /n. + to do sth.

仿写：他早上六点起床成了惯例。He made it a rule to get up at 6 in the morning. _________________________________________

②倍数+as. . . as. . . 句型仿写：我的收入是他的两倍。 My income is twice as much as his. ______________________________点击进入相应模块