Module 5A Lesson in a Lab单元提升课文与语法填空阅读所学课文,在空白处填入1个适当的单词或括号内单词的正确形式。Different metals have different uses.When we use metals,it is important to know how they react with different 1.(substance).The 2.(react)of metals with these substances can 3.(put)in order.From the table,we can find that potassium(钾)reacts most with water 4.copper doesnt react with water.When we heat calcium in oxygen,it 5.(burn)to form an oxide.In 6.second part of the experiment,you must boil the water 7.(make)sure there is no air in it.You add some oil to the water 8.this keeps air out of it.It also shows that iron doesnt rust in water 9.air in it.However,the nails rust in the tube with ordinary water in the third part of the experiment.That is 10.iron reacts with air and water.答案1.substances考查名词单复数。substance为可数名词,且被different修饰,因此应用复数形式。2.reaction考查词性转换。the后应用名词形式。3.be put考查被动语态。reaction与put之间为被动关系,故用被动语态。4.while考查连词。此处表示对比,故用连词while。5.burns考查动词的时态。此处陈述的是客观事实,主语为it,因此用动词的第三人称单数形式。6.the考查冠词。序数词前应用定冠词the。7.to make考查非谓语动词。此处动词不定式短语作目的状语。8.because考查状语从句。句子前后为因果关系,故应用because引导原因状语从句。9.without考查介词。此处表示“没有”,故用介词without。10.how考查表语从句。此处表示方式,故用how。话题知识与写作根据下面的素材,用本模块所学词汇和句式结构完成句子。1. 杰克过去经常玩电脑游戏。_2.他的成绩越来越糟糕。_3.对他来说放弃玩电脑游戏是困难的。4.他的老师告诉他他应该把他的学习放在第一位。_5.在老师的帮助下, 他远离了游戏, 开始努力学习了。_6.他逐渐发现越学习,越觉得对学习感兴趣。_7.他父母为他感到自豪。_【联句成篇】把以上句子联成短文,要求衔接连贯、过渡自然。_答案1.Jack used to play computer games.2.His grades were getting worse and worse.3.It was difficult for him to give up playing computer games.4.His teacher told him that he was supposed to put his study first.5.With the help of his teacher, he kept himself out of games and began to study hard.6.He gradually felt the more he studied, the more interested he was in it.7.His parents are proud of him.One possible version:Jack used to play computer games. As a result, his grades were getting worse and worse. But it was difficult for him to give up playing computer games. His teacher told him that he was supposed to put his study first. With the help of his teacher, he kept himself out of games and began to study hard. Later, he gradually felt the more he studied, the more interested he was in it. Now, his parents are proud of him.单元词汇拓展速记1.“目标”聚会aim n.目标;目的goal n.目标;目的target n.目标;指标purpose n.目的;意图object n.目标;宗旨2.“电”家庭聚会electricity n.电;电能electric adj.电的;用电的electrical adj.与电有关的electronic adj.电子的3.-less否定后缀aimless adj.无目标的useless adj.无用的priceless adj.无价的;极珍贵的careless adj.粗心的harmless adj.无害的4.名词和动词同形aim n.目标;目的 v.力求达到lecture n.演讲 v.讲课form n.形式;表格 v.形成tie n.领带 v.系;拴turn n.转动 v.(使)转动;旋转5.in+n. (表状态)in order有条理的in place在适当的位置in space在太空in condition健康状况好in panic恐慌的4