新视野英语教程unit4课件.pptVIP

* * * * * * * * * * * * * * * * * * * * 语法 Lead-in Can you name some hi-tech products you are familiar with? 语法 air-conditioner Water heater micro-oven ② washing machine household appliance ① telephone refrigerator ③ ④ ⑤ ⑥ ⑦ Vacuum cleaner ⑧ 语法 aeroplane aircraft carrier hyper computer ② radar Hi-tech products ① missile GPS ③ ④ ⑤ ⑥ ⑦ ⑧ rocket 语法 3D printer ② ① ③ Solar battery satellite ④ Hi-tech products robot ⑧ high-speed railway flying suit unmanned air vehicle subway ⑥ ⑦ ⑤ ⑨ 语法 hardware software ② computer ① ③ terminal unit work station ④ ⑤ 语法 Main unit input output ② computer ① ③ ④ 语法 motherboard power source (internal)memory ② video card main unit audio card hard disk case ③ ④ ⑤ ⑥ ⑦ ⑧ bus ⑨ drive ① CPU ⑩ 语法 mouse keyboard microphone ② webcam input ① writing instrument scanner ③ ④ ⑤ ⑥ ⑦ 语法 monitor sound box printer ② Blue tooth output ① fax ③ ④ ⑤ ⑥ 语法 Random Access Memory ② Internal memory ① ③ Read Only Memory cache ④ 语法 hard disk ② external memory ③ portable hard disk memory stick ④ compact disk ⑤ floppy disk ① 语法 floppy drive ② drive ① ③ hard drive optical drive ④ 语法 New Words Learning issue 1) vt. 发表，发布 If you issue a statement or a warning, you make it known formally or publicly e.g. He issued another statement denying the charge against him. The company issued a warning that anyone who go on with strike would be dismissed. Translation: 犯罪分子再次威胁要撕票。(issue another threat) 2) n. 问题；议题 an issue is an important subject that people are arguing about or discussing e.g. People in America are free to express a view on political issue. Translation: 只有国际社会大力合作才能解决众多问题如经济增长和气候变化等。 语法 New Words Learning issue 3) Vt 发行(股票，邮票，债券，钞票等)e.g. No individual is allowed to issue money and stamps. stare: vi. 盯着看 if you stare at sth, you look at it for a long time He stared at me, which made me uncomfortable. c.f. gaze at: 因精彩或壮观等盯着看 stare at: 因怪异或震惊而盯着看 gla