Thedoctorsare________abouttheguidelinesunderwhichtheycancarryouteuthanasia.
A、atastretchB
本题考查的是短语区分。 A.不休息地，连续地; B.不知所措，茫然，不了解; C.任意的，随便的; D.最后，终于。句意：医生们不了解执行安乐死的准则。
流行性乙型脑炎的传染源是
Thereistheappreciationofthesalienthistoricaltruth________theagingofadvancedsocietieshasbeenasuddenchange
Whatarethecharacteristicsofgoodwritings?
Withsuchapoorscoreintheentranceexam，it’s________impossibleforhimtobeadmittedtothisuniversity.
Howmanypartsdoesascienceandtechnologypaperconsistof?Whatarethey?
