高三英語Astronomy教案
2). a drier _______ would be good for your health.
3). i couldn’t imagine what it would be like to live in a hot ________.
4). the _______ of our country is mild, but individual places experience bad ________.
keys: 1). weather 2). climate 3). climate 4). climate; weather
5. now that / since / because / as
【解釋】
都可引導原因狀語從句，語氣最強的是because，引導直接而明確的原因，也用來回答why的問句或用于強調句型；其次是since/now that，表示已知或明顯的原因，再次是as，引導的原因是不言而喻、顯而易見的；for引導的是并列分句，表推測或判斷的原因，前面有逗號隔開。
【練習】根據句子的意思在括號里填入適當的詞。
1). _______ everybody is here, let’s begin our meeting.
2) it was _______ he was ill that he didn’ t go to school.
3). it must have rained last night, _______ the ground is all wet.
4). _______ we are alone, we can speak freely.
keys: 1). since/now that 2). because 3). for 4). now (that)
ⅱ.詞性變化（旨在提供語法填空所需材料）
1. violent adj.強暴的，猛烈的 violence n.暴力，強暴；猛烈 violently adv. 強暴地；猛烈地
2. fundamental adj.基本(礎)的n.[pl.]基本原則(法則) fundamentally adv. 基本地；根本地 fundament n. 基礎；根本
3. development n.生長，發
展；新情況 develop vt.發展；產生
vi.生長；發展 developed adj. 發達的developing adj. 發展的
4. lay vt.放下；擺設；產(蛋) lay---laid---laid---laying lie vi. 躺，平放；位于
lie---lay---lain---lying lie n.&vi. 謊話；說謊
lie---lied---lied---lying
5. prevent vt. 預防，防止 prevention n.預防；阻止；妨礙 preventable adj.可防止的，可預防的
6. gentle adj.和藹的；輕柔的 gently adv.溫和地；靜靜地
7. physics n.物理，物理學 physicist n.物理學家 physical adj.身體的；物理(學)的；物質的
【練習】用括號內所提供詞的適當形式填空。
1). the naughty boy _______ (lie) to me that the hen that _______ (lie) there just now had ______ (lay) two eggs the day before.
2). in my opinion, ________ (prevent) is more important than treatment.
3). some programs on the internet are full of ________ (violent) and sex.
4). with the ________ (develop) of modern industry, more and more pollution is caused.
5). china is a ________ (develop) country belong to the third world.
6). there are ________ (fundament) differences between your religious beliefs and mine.
7). his ambition is to become a great ________ (physics).
keys: 1). lied; lay; laid 2). prevention 3). violence 4). development