2019_2020学年上海黄浦区上海市大同中学高一下学期期中英语试卷(详解)

2019~2020学年上海黄浦区上海市大同中学高一下学期期中英语试卷(详解)一、Fillineachblankwiththewordorphrasethatbestfitsthecontext1.1.2.3.4.5.6.7.8.Asagardener,there'snothingmorefrustratingthanfindingaprizedvegetablecropbeingeatenbyinsectpests.Acoupleofhornwormscan1arowoftomatoesovernight.Fortunately,everypesthasapredator,andwecanusethatnatural2toouradvantage.Asufficientnumberofbeneficialinsectswillkeepgardenpeststomanageablenumbers.Youjusthavetoknowhowtoattractthosebeneficialinsectstoyourgarden.Putsimply,abeneficialinsectisaninsect（orotherarthropod）thathelpsyougrow3plants.Manyinsectseatpests,eventuallykillingthem.Andstillotherinsectshelpthegardenerbypollinating（授花粉）crops,insuringagood4.Ideally,youshouldtrytoattractalltypesofbeneficialinsectstoyourgardeninsteadofturningtochemicalcontrol,whichisnota（n）5waytoprotectyourgarden.Whenyou'refirsttryingtoattractbeneficialinsectstoyourgarden,youmayfindthepestpopulation6forabit.Bepatient.Youhavetogivethegoodbugs7tofindtheirtargets.Aslongasthey've8foodtoeat,thepestpopulationissur