全新版大学英语book4unit2.ppt

BR-main BR1.1 BR1.2 BR1.3 BR2.1 BR2.2 BR3.1 BR3.2 BR3.3 GR-main GR-true1-1 GR-true1-2 Gr-true1-3 GR-true2-1 GR-true2-2 GR-text GR-Part1-Q GR- Part 2 3-text GR- Part 2 3-language Article1_S Article2_S Article3_S Article4_S Article5_S Article6_S Article7_S Article8_S Article9_S Article1_S_popwin_Sales of … Article2_S_popwin_The key… Article3_S_Should… Article4_S_while… Article5_S_sensors Article5_S_they… Article7_S_Some… Article7_S_popwin_The commercial … Article8_S_popwin_the answer… Article9_S_popwin_By 2010… Article1_w Article2_w Article3_w Article4_w Article6_w Article7_w Article8_w Article9_w Article1_w_popwin_ lucrative Article1_w_popwin_manufacturing-1 Article1_w_popwin_manufacturing-2 Article2_w_popwin_approximately Article3_w_popwin_start up Article3_w_popwin_in the air Article3_w_popwin_eliminate Article3_w_popwin_ alert-1 Article3_w_popwin_alert-2 Article3_w_popwin_alert-3 Article4_w_popwin_prototype Article4_w_popwin_monotonous Article4_w_popwin_hazard Article6_w_popwin_vibrate Article6_w_popwin_frequency Article6_w_popwin_convert Article7_w_popwin_correlating Article7_w_popwin_drastically Article7_w_popwin_applications Article7_w_popwin_be poised to do Article8_w_popwin_mount Article8_w_popwin_magnetic Article8_w_popwin_take control of Article8_w_popwin_bunched Article9_w_popwin_incorporate Article9_w_popwin_decreasing-1 Article9_w_popwin_decreasing-2 Article9_w_popwin_ decreasing-3 Article9_w-popwin_expansion AR-Main After-1.useful-1 After-1.useful-2 After-1.useful-3 After-1.useful-4 After-2.listening-1 After-2.listening-2 After-2.listening-3 After-2.listening-4 After-3.discussion-1 After-3.discussion-1 After-3.discussion-11 After-3.discussion-12 After-3.discussion-13 After-3.discussion-14 After-3.discussion-15 After-writing-main After-writing-1 After-writing-2 After-writing-21 After-writing-22 After-writing-23 After-writing-31 After-writing-32 After-writing-33 After-writing-34 After-writing-35 After-writing-41 After-writing-42 After-writing-43 Af