SectionⅣReadingPractice&CulturalCorner&WritingⅠ
阅读P25课文内容,完成课文缩写PekingUniversitybiologistXuChongrenexplainsthat1
________biologytechniquesareusedtotakeagenefromone2
________andputitintoanother
Ifagenefor3
________todroughtisputintowheatormaize,thenacrophighlyresistantto4
________canbeproduced
Scientistshavefoundthatacropwithagenethatkills5
________canleavea6
______inthesoilthatkillshelpfulaswellasharmful7
________
Yetreducingthe8
________ofinsecticidesneededbyusingGMcropscanreducetheamountofcancerproducingchemicals—orcarcinogens—thatarefoundinfood
molecular2
organism3
resistance4.drought5
pests6
poison7
insects8
amountⅡ
阅读P27课文内容,判断正(T)误(F)1.ThemostfamoussciencefictionTheTimeMachinewaswrittenbyanFrenchWriter
()2.OnetypeofhumanbeingevolvedintoakindofcreaturecalledtheEloiwassmallandbea