Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.
A、feasibleA
A 可行的、可能且合理的 B 不可相信的、难以置信的 C 时髦的、时尚的 D 贵重的、宝贵的
NeitherEnglishnorChinese________difficulttolearn.
Heshookhandswiththevisitors________astoconveyhisapology.
AccordingtoMaslow,self-actualizationneedexcludes_______
WhichofthefollowingcountryisnotamemberofOECD?
Bythemiddleofthe21stcentury,thevastmajorityoftheworld’spopulationwillbelivingincities_______inthecountry.
