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1、2022-2-121UNIT 16 SCIENTISTS AT WORKreading2022-2-122TASK Understand the use of some new words and phases.2022-2-123REVIEW How much do you know about the experiment with kite?2022-2-124SOME NEW WORDSlightningcondenserthunderstorm閃電電容器雷暴thunderchargeConduct electricitythundercloud2022-2-125SOME USEFU
2、L EXPRESSIONS Conduct : 1. to direct or lead;管理,引導He conduct her business very successfully.He conducted us on a tour of the city. 2.指揮 conduct a concert./conductor(樂隊)指揮,售票員 To act as the path for(electricity, heat,ect.)傳string wont conduct electricity, but wet string will.2022-2-126 a number of 大量
3、,許多。/修飾可數(shù)名詞的復數(shù)形式。比較a number of 和the number ofA number of students are from Guandong.The number of students is 300 in the school. high adj.&adv. quick-quickly wide-widely high-highly deep-deeply close-closely The door opened wide and people came streaming out.(大的。寬的) The drug is widely used in the tr
4、eatment of cancer(廣泛的). 2022-2-127 begin to do begin doing 含義基本沒有很大區(qū)別。但如果談論一個長期的習慣動作開始養(yǎng)成時,常常用begin doing. How old were you when you first begin playing the piano? 2.當begin 后面是跟understand,realize, see, know, think 等動詞,用begin to do. She began to think she was wrong after a second thought. 3當begin 為beg
5、inning 時 后用to do, Are the farmers beginning to sell apples?2022-2-128 Work起作用,產(chǎn)生影響;行得通;奏效 Will your method work? 你的方法行嗎? The medicine seems to be working. 藥好象起作用了。 Charge 1.充電 2.ask in payment 收費,要價 The hotel charged me $10 for a room for the night. 3. Rush in or as if in an attack 沖進;進擊 Suddenly th
6、e wild animal charged at us. 4. Command; give as a responsibility.命令;使負責she charged me to look after her son.2022-2-129 a great deal of 許多,大量/修飾不可數(shù)名詞 tear 1.to pull apart or into pieces by force,撕開,撕破 Why did you tear the cloth instead of cutting it with scissors? 你為什么撕布而不用剪刀剪呢? 2. N. 眼淚 3. Tear down =destroy 4. Tear into sb. 痛打; 5. Tear up 撕碎2022-2-1210 tie 1.領(lǐng)帶 2.平局 3. 捆,栓, 系 tie to 總結(jié)您要進行的工作2022-2-1211 conduct work tear charge tie REVIEWn a number ofn a great deal ofn begin to do /begin doingn high-highly