Unit 6 Healthy Diet 课件 2.ppt

1、Unit 6Healthy Diet 课件,SectionGetting Ready，Reading they help us to build new cells as old ones die. 对于我们身体的生长蛋白质是非常重要的，它们有助于在老细胞死亡的同时造出新细胞。 But taking more than what the body needs doesnt make it function better just as overfilling your gas tank wont make your car run better.,但如果超过身体所需，不会使身体更健康，因为就像

2、给汽车油箱超额加油，并不会使你的车行驶得更好。 句法分析第一句中as old ones die中的as是连词，引导时间状语从句。第二句中的as overfilling your gas tank wont make your car run better中的as引导原因状语从句。 As she grew older, she became more confident.,随着年龄的增长，她变得更自信了。 As I had a cold, I was absent from school. 因为我感冒了，所以我没有上课。 归纳拓展 1)as引导时间状语从句，意为“当时候”， As the sun

3、 rose the frog dispersed. 太阳一出来雾就消散。 2)引导原因状语从句，表示“由于；因为” 常用来表示已为人们所知或显而易见的原因或理由。,As he wasnt ready in time, we went without him. 因为他未及时准备好，我们没有等他就走了。 3) 引导比较状语从句，意为“像一样”，主要用于as.as. ，其否定式为not as/so adj./ adv. as。 4) 引导方式状语从句，意为“像”、“按照的方式”。 When at Rome，do as Romans do.入乡随俗。,5) 引导让步状语从句，意为“尽管”，从句中的表语

4、、状语或动词需置于as之前，构成倒装语序；即adj. /adv. / n/ v as 主语谓语主句。 Young as he is, he knows a lot about football. 虽然他很小，他对足球所知甚多。 Hard as he worked, he failed in the exam. 他学习很努力，但是考试却没有及格。,Try as he will, he never seems able to control himself. 虽然他决心努力工作，但是他似乎控制不住自己。 2(教材原句) It is widely believed that extra vitami

5、ns provide more energy. 人们普遍相信额外的维生素会提供更多能量。,句法分析主句属于“It is believed that.”句型，意为：人们相信/认为。其中it是形式主语，句子真正的主语是that引导的从句。该句型可改写成“Sth./ Sb. is believed to do/to be.”或“People believe that.”。 He is believed to be fit for the position. It is believed that he is fit for the position. People believe that he i

6、s fit for the position. 人们认为他是这个职位的合适人选。,归纳拓展 It is said that.据说 It is reported that. 据报道 It is suggested that. 有人建议 It is thought that. 人们认为 It is known that. 众所周知,巧学活用 11完成句子 (1)_(尽管他是个孩子), he likes to be treated like an adult. (2)She stayed in bed _(依照医生的吩咐) (3)He saw that she was smiling _(她一边看电

7、视),Boy as he is,as the doctor had ordered,as she watched TV,12单项填空 Mount Wuyi is such an attractive place of interest_everyone likes to visit. AthatBas Cwhich Dwhat 解析：选B。句意：武夷山是一个大家都爱去参观的旅游胜地。Such.as.意思是：像一样的，as既是定语从句的引导词又在句中作宾语；如果visit后有it，则选A。,21翻译句子 人们认为今年的洪水是百年来最大的一次。 (1)_ (2)_ (3)_,It is believed that the flood this year is the biggest in 100 years.,People believe that the flood this year is the biggest in 100 years.,The flood this year is believed to be the biggest in 100 years.,22单项填空 It is often_that human beings are na