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____ his eyesight was beginning to fail. A. and B. for C. but D. or【答案】B【解析】 “his eyesight was beginning to fail”是“he found it increasingly difficult to read”的原因, 因此本題應(yīng)選用可以表示原因的連詞for引導(dǎo)原因狀語從句?!纠}3】【題干】 A man cannot smile like a child, ____ a child smiles with his eyes, while a man smiles with his lips alone. A. so B. but C. and D. for【答案】D【解析】 下劃線處之后的句子補(bǔ)充說明“a man cannot smile like a child”的原因, 應(yīng)選 用for表原因。 四、課堂運(yùn)用【基礎(chǔ)】 填入恰當(dāng)?shù)倪B詞 1. I didn’t go to school yesterday _________ I was ill. 2. ________ everybody is here, let’s begin our meeting. 3. ________ you are in poor health, you should not stay up late. 4. I asked her to stay to tea, ________ I had something to tell her.【鞏固】 5. _____your father is well again, you no longer have anything to worry about. 6. The day breaks, _____the birds are singing. 7. ______ you are ill, you’d better go to see the doctor. 8. ______ she was late for class, she had to say sorry.【拔高】 9. I think that you had better get up earlier _______ you can get to class on time. A. in order B. so that C. such that D. that 10. _____ understand how the human body works, you need to have some knowledge of chemistry. A. In order to B. So as to C. In order that D. So that 11. _____ no man might enter, the servant locked the door. A. That B. So that C. In order that D. In order to答案與解析 2. Since 3. As 4. because