人教版高中英语必修二《Wildlife Protection》SectionB PPT下载，共27页。语言知识讲练高 频 词 语1. reduce vt. 减少【典例促记】⊙It is reported that living spaces for wildlife are being reduced due to the cutting of trees. (P18)据报道，由于砍伐树木，野生动物的生存空间正在缩小。⊙Costs have been reduced by 20% over the past year.在过去一年里，各项费用已经减少了20%。⊙The skirt was reduced to ￡10 in the sale.在大减价期间，这条裙子减价到10英镑。⊙The number of employees was reduced from 40 to 25.雇员人数从40人减少到了25人。2. due adj. 由于；因为【典例促记】⊙When the car is due for its annual service again, please remind me.当这辆汽车到再次进行年度保养时，请提醒我。⊙The boat is due to arrive at 12, so remember to meet me on time.船预计在12点到，记着准时去接我。⊙Thank you for delivering my goods here. Ten dollars is due to you.多谢你把货物送到这儿，我应付你10美元。⊙Because of/Owing to the snow, the pilot had to land the plane at another airport.由于下雪，飞行员不得不把飞机降落到另一个机场。⊙Thanks to your help, we were successful.由于你的帮助，我们得以成功。现在进行时的被动语态的用法1. 表示此刻正被进行的动作，句中常用now, at the moment等时间状语【典例呈现】◎More patients are being examined by the doctor now.更多的病人现在正在接受医生的检查。◎Several new lines are being built now and will be completed in the near future.几条新路线正在修建，最近就要完成了。2. 表示现阶段正被进行的动作，但此动作在此时此刻不一定正在发生【典例呈现】◎Many interesting experiments are being carried out these days.这些天许多有趣的实验正在被进行。(说话时并不一定正在进行)◎Our children are being educated to be green in everything they do.我们的孩子所受的教育是凡事都要注重环保。3. 表示一种经常性的被动行为，常和always, constantly, frequently等表示频率的副词连用，这种用法常常带有说话者的赞扬或厌恶的感情色彩【典例呈现】◎I wonder why the window of our classroom is frequently being broken.我想知道为什么我们教室的窗户经常被打破。◎Players are always being encouraged to talk as if they are fans first.人们总是鼓励球员们首先要以自己是个球迷的口吻说话。... ... ...关键词：Wildlife Protection PPT课件免费下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。