Unit 1 Science and Scientists 词汇2课件-2022-2023学年高中英语人教版（2019）选择性必修第二册

Unit 1 Science and scientists Vocabulary 2 1 Learning aims: 1) To learn two words’ usage: decrease/thanks to/transform/sb/sth be likely （not）to do... 2) To use them freely. Think and study independently(10') 1. learn the three sentences of decrease/thanks to on p5&6 in your exercise book. 2. finish the “探究总结”. 3. try doing some exercises. Answers:(探究总结) 1. on in by to in 2.to for decrease n. 减少；降低；减少量 on the decrease 在减少 a /some decrease in 在某方面减少、下降 decrease vt&vi (使大小、数量等)减少；减小；降低 decrease by 减少了 （表程度） decrease to 减少到（表结果） decrease in 在某方面减小、下降 thanks to 幸亏；由于 thanks for 感谢...... 近义词：because of/due to /owing to finish P5、6 “应用实践” Answers 1.to 2.by 3.on 5.in 2.Thanks to Thanks for because of /due to /owing to Self-learning guidance 2:(5') 1.To finish the “探究总结” of the transform/sb/sth be likely （not）to do... 2.To summarise their usage Answers:(探究总结) 1.into into 2.to do It is It is for sb/sth to do transform vt. 使改观；使改变形态 改变；转变 transform into 转变成....... transform...into... 把........转变成........ transformation n.转变；改变 1.Sb/sth be likely to do ... 某人、某物可能不会...... It is likely that... 很可能....... It is possible /probable that...可能...... It is likely/possible for sb /sth to do 某人、某物可能会...... Answers:（应用实践） 1.transform heat into power transform a song into 2.It is likely are likely not to It is probable It is possible It is possible that decrease n. 减少；降低；减少量 on the decrease 在减少 a /some decrease in 在某方面减少、下降 decrease vt&vi (使大小、数量等)减少；减小；降低 decrea