Theworld’smostextensiveresearcheffortonclimatechangeisnowregulatedbytheU.S.GlobalChangeResearchProgram.
____
____
举一反三
- Americahas theworld's largestindustrialGDP.
- Canada’s coal reserves are considered to be theworld's third largest.
- Theworld’sleadinghotelinvestmentservices...ivebilingualmembers.
- Theworld’sfirsttravelagencyrunbyBritishThomasCookcameintobeingintheyearof_____.
- Ifthisroundoftalkfails,theworld’stradingenvironmentislikelytobecomeincreasingly________.