装修公司甲在完成一项工程后，将剩余的木地板、厨卫用具等卖给了物业管理公司乙，但甲营业执照上的核准经营范围并无销售木地板、厨卫用具等业务。甲、乙的买卖行为法律效力如何？
下列选项中，乙的行为应当认定为承诺的有()。
Thegovernmentfinally________allthedocumentsrelatingtothewar.
Theoceansdonotsomuchdividetheworld_______uniteit
Suchperson_______youdescribeisrarenowadays.
AtrendthatoccursatthesametimewiththemovementtotheSouthandtheWeastoftheUnitedStatesis________.
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask，theycanbereprogrammedbyacomputertodoanotherone.
Sinceeconomicreformbeganin1978,anaveragegrowthrateofalmost10%ayearhasseenChina’sGNPnearlyquadruple.（）
Theattitudetowardslifethat()hadbeentryingtodemonstrateinhisworksisknownas“graceunderpressure”.
严复翻译的《天演论》，其原文的题目是（）
YouarethemostdirectyoungwomanIhaveever_______.
When_______,waterwillbeturnedintosteam.