Others argue that since the earth has endured a long string of ice ages in the last two millionto three million years, any warming is ________ to be temporary.
A、seemedB
暂无解析
________tothepapersisrestrictedtoDefenseDepartmentpersonnelonly.
Weregretto________thatitmaynotbepossibletodealwitheveryrequest.
Humanbehaviorismostlyaproductoflearning________thebehaviorofanimalsdependsmainlyoninstinct.
Theaddressbook________theemailaddressesofyourfriendsorgroupsofcolleagues.
GeneralMotors,oneoftheworld'slargestautomanufacturers,isexpandingits________inthiscountry.
