外研版高中英语选修9DNA－theSecretofLife.ppt

如何写好复合句 复合句由一个主句和若干个从句构成，主句和从句都具有完整的主谓结构，主句是主体，从句是一个成分，不能独立存在。 1．复合句包括名词性从句(主语从句、表语从句、宾语从句、 同位语从句)，定语从句和状语从句。 Whether well have the sports meeting depends on the weather. 我们是否举行运动会取决于天气。(主语从句) Just as a famous saying goes, every coin has two sides. 正如一句有名的谚语所言，事物总是一分为二的。(定语从句) As long as you dont lose heart, you will succeed. 只要你不灰心，你就会成功。(条件状语从句) 2．恰当地使用从句，可以使作文富有变化，注意各种从句之间 的转换。 该规定要求你不要把邮箱密码告诉他人。 →It is required in the regulations that you should not tell other people the password of your e-mail account. (主语从句) →What is required in the regulations is that you should not tell other people the password of your e-mail account. (主语、表语从句) →As is required in the regulations, you should not tell other people the password of your e-mail account.(定语从句) Ⅰ.基础巩固(在下面的句子中填入适当的连词) 1． there are lots of difficulties to overcome, she never lets her problems defeat her. 2．I hear many freshmen are at a loss what to do they are at college. 3．Smiling brightly, she told me she learnt from her mother had never left her. Although/Though when that what 4．Most of the pupils left school their families couldnt afford their education. 5．This year, there is a new regulation some students can attend university for free. Ⅱ.能力提升 1．一句多译 (1)他过去是一个善良的孩子，每个人都想和他交朋友。 ____________________________________________________________ (结果状语从句) ________________________________________________________ (定语从句) because that He was so kind a boy that everyone wanted to make friends with him. He was so kind a boy as everyone wanted to make friends with. (2)他乐于助人，这为他赢得了好名声。 _______________________________________________ __________ (and连接的并列句) _______________________________________________ __________ (which引导的定语从句) _______________________________________________ (动名词作主语) He was ready to help others and it won him a g