Unit 5 Revealing nature阅读“Reading 2”中的材料，选出最佳选项。1．Which is NOT a bean plant does when it is attacked by insects?A．To release tiny amounts of chemical to warn its neighbour.B．To release chemical to drive the insects away.C．To release chemical to drive the wasps.D．To release chemical to attract wasps.2．How can a chilli plant tell if its neighbouring plants is helpful?A．By producing chemical.B．By sounds.C．By wood wide web.D．By insects.3．Why “wood wide web”is similar to the Internet we use?A．Because it can use it to communicate.B．Because it is linked together.C．Because it can share information.D．Because it can share food.[答案] 1－3 CBBWords And Phrases知识要点 1 characteristic n．特征，特性( 教 材 P53) Gregor Mendel chose to study pea plants because their characteristics were easy to control.格里哥·孟德尔之所以选择豌豆作为研究对象，是因为豌豆的特性易于控制。[例] The need to communicate is a key characteristic of human society.需要交流是人类社会最重要的一个特征。[造句] 这两组儿童具有截然不同的特点。The two groups of children have quite different characteristics.[知识拓展](1)characteristic adj. 典型的；独特的；特有的be characteristic of＝be typical of 是……的典型特征(2)character n. 性格，特征；人物，角色；字体[即学即练] 单句语法填空①Fiction is the essential characteristic of the drama.②The characteristics(characteristic) of the machine are fully detailed in our brochure.知识要点 2 blame v．责怪，指责；把……归咎于(教材 P53) The extinction of the Pinta Island tortoise is blamed on humans.1平塔岛龟的灭绝要归咎于人类。[例 1] She doesn't blame anyone for her father's death.她没把她父亲的死归罪于任何人。[例 2] How can I blame him? It wasn't intentional.我怎么能怪他呢？那又不是有意的。[造句] 别责怪他。他总还是个孩子。Don't blame him.After all ...
