人教版（2019）选择性必修第二册Unit 1 Science and Scientists Words and expressions课件(共55张PPT)

(共55张PPT)
SCIENCE AND
人教版(2019)新教材高中英语
UNIT
SCIENTISTS
选择性必修第二册
Unit 1
SCIENCE AND SCIENTISTS
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Words and Expressions
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In this unit.you will
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1.cholera ['kplora]
n.霍乱U/
have/deveplop cholera患霍乱
2.severe [sI'vIa(r)]
adj.极为恶劣的；十分严重的；严厉的
severely adv.严重地；严厉地；严格地
a severe punishment/sentence/expression重罚/重判/严厉的
表情
severity n.U/the severity of the problem问题的严重性
3.diarrhoea/diarrhea[,daIa'rIa]n.腹泻
(the runs腹泻)
have/get diarrhoea/,the runs腹泻；拉肚子
4.dehydration[,di;har'drerfn]n.脱水
dehydrate vt..使脱水，使干燥；vi.（人体的)脱水，
die from severe dehydration死于严重脱水
5.frustrated
[fra'strertid]adj.懊恼的；沮丧的；失意的
frustrating adj.使人沮丧的，令人泄气的
frustrate vt.使懊恼；使沮丧1
frustration n.懊恼；沮丧
6.once and for all最终地；彻底地
It is time we dealt with the issue once and for all.
completely adv.完全地；彻底地
entirely
adv.全部地；完整地；完全地
7.contradictory[,kontra'dIktori]adj..相互矛盾的；对立的；
不一致的contradict vt..反驳；相矛盾；驳斥；相抵触
contradiction(between A and B)n.矛盾，不一致
on the contary正相反