答案答案D答案答案B答案答案C答案答案A答案答案B答案答案A答案答案CA答案答案Dsufferis recognized asat a loss If he cant do the work，then he is no good to He refuses to face the fact that he has failed and kills himself in the end.his employer，the Wagner Company，and he must go.D答案答案CA答案答案A答案答案CTo our amazement，he actually refused to help us. consist in 有说服力的科学证据，即它们事实上是不同的种类。有说服力的科学证据，即它们事实上是不同的种类。differences.长期以来在科技领域关于这两种大象可能是不同的长期以来在科技领域关于这两种大象可能是不同的种类一事一直存在着争论，但是这是到目前为止最种类一事一直存在着争论，但是这是到目前为止最Previously，many naturalists believed thatAfrican savanna elephants and African forest elephants were two populations of the same species，despite the elephants significant size 答案答案C答案答案AC答案答案C答案答案Dbe beneficial tofrom/by for ones benefitsurvived her husbandIf a species spreads wider，its chance of Without the ability to reach out across space，survival will be better. the chance to save ourselves might not exist.答案答案DAB答案答案A答案答案B78.The garden city of Chicago and the garden cityof London.by/with migragesurrounding