SENTENCE EXPLANATIONS 重点句子 1 On the other hand, many people, including some scientists, disagree and are afraid that， if mankind toys with nature in this way, we may be on their way to produc
ing a real-life Frankenstein’s monster. (P42)
句型提示 在此句中，many people disagree and are afaird 是主句，that ...是宾 语从句。在宾语从句中，if mankind toys with nature in this way 是条件状语从句。 深层讲解 句子中，on the other hand 意为“另一方面” ，常与 on the one hand 连用； including some scientists 是介词短语， 在句子中作定语， 修饰 people； with toy sth.意为“戏弄；on their way to 中的 to 为介词，后面常接名词、代词或 V-ing 形 式，意为“在??途中；即将进行，在向??迈进” 。 巩固练习(B) 翻译下列句子。 1. 一方面，我崇拜他的天赋；但另一方面，我不相信他的判断能力。 2. 包括杰克、彼得在内的许多学生都参加了那次会议。 3. 教室外面的谈话声严重妨碍了上课。 4. 我认为他在向成功迈进。
(B) 1. On the one hand, I admire his gifts; on the other hand, I distrust his judgment. 2. Many students, including Jack and Peter, have taken part in the meeting. 3. The talk outside the classroom has seriously interfered with the lesson. 4. I think he is on his way to success.
重点句子 2 While cloning human embryos is not legal in many countries, some scientists are already pushing ahead with research in order to produce a cloned human baby. (P42)
句型提示 此句的主句为 some scientists are already ...；此句包含一个让步状 语从句 While cloning human embryos is not llegal in many countries。 深层讲解 (1) while 作连词时的意思有：① 当??的时候，在??期间； ② 与??
同时；③ 而，然而；④ 虽然，尽管。如： ① I learnt some French while I was working in France. ② You can go swimming while I’m having lunch. ③ I like singing, while my brother likes dancing. ④ While it was raining hard, he got here on time. (2) push ahead with = push forward with，后面接名词、代词作宾语，意为“努 力推进” 。如： Though many people are against it, he is still pushing ahead with it. 巩固练习 (C) 翻译下列句子。 1. 我在大学读书时，认识了我现在的妻子。 2. 他毅然推行新的政策来拯救公司。 3. 他去美国留学以找到更好的工作。
(C) 1. While I was studying at college, I knew my present wife. 2. He pushed ahead / forward with a new policy to save his company. 3. He went to study in America so as to find a better job.
巩固练习 (D) 单项填空。 1. I do every single bit of housework ______ my husband Bob just does the dishes now and then. (2004 全国卷 III) A. since B. while C. when D. as (江苏 2004)
2. ______ I accept that he is not perfect, I do actually like the person. A. While B. Since C. Before D. Unless
3. We thought there were 35 students in the dining hall, ______, in fact, there were 40. (2006 全国卷 II) A. while B. whether C. what D. which
(D) 1-3 BAA