Ⅰ.阅读词汇·读懂
默想下面单词的词性及含义，不会的在中做出标记并核对识记。
1.cholera 2.dehydration 3.contradictory
4.germ 5.pump 6.household
7.raw 8.substantial 9.statistic
10.epidemiology 11.microscope 12.protein
13.cell 14.virus 15.vaccine
16.framework 17.solid 18.rainbow
19.aerospace 20.patriotic 21.mechanical
22.mechanic 23.aviation 24.jet
25.missile 26.concept 27.astronomer
28.astronomy 29.telescope 30.brilliant
31.initial 32.furthermore 33.trace
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