（） economically,one tin of oil will last at least three months Ato use bto be used c using d used

economically 一道英语选择题,不懂啊（）economically,one gallon of oil will last for at least two monthsA.UsingB.To be usedC.UsedD.Having used （） economically,one tin of oil will last at least three months Ato use bto be used c using d used macro-economically butterflies are economically important as one of the major agents of pollination.5041 ( ) economically, one tin of oil will last at least three months.A to useB to be usedC usingD used为什么选D不选B啊? ____ economically,one gallon of oil will last at least two months.A.Using B.Used C.Having used D.To be used 化工专业英语,In this way,to take one example,the stereocentersin the terpenoid side chain of tocopherolscould be introduced stereoselectively (Fig.3),providing an attractive route to these biologicallyand economically important fat-solubleantio Less Economically Developed Country 有哪些 economically and politically important country是什么意思 一道英语选择题（金融方面的）Commercial banks perform a very important service to all sectors of the economy by prociding facilities for the __of savings and making them available for economically and socially desirable purposes.A.deposi 分析一道英语选择题（高中）43.Although the country has had political independence for over a century,it needs the support of its neighbors.A.naturally B.economically C.especially D.luckilyB给个理由啊@@ explain the difference between fascism and cummunism,economically 英语翻译Moreover,the economically rational may not be politically feasible. 求大神翻译,Economically-Linked Economies,怎么翻译成中文, other criteria that have been shown to help them become economically established in Canada.economically established in Canada.这点不太懂, 第20题 (4) 分 In all his novels Theodore Dreiser sets himself to project the ______ American values.For example,in Sister Carrie,there is not one character whose status is not determined economically.A、Puritan B、materialistic C、psychological What's one and one?(重写） ------- ------ ------ one and one?What's one and one?(重写）------- ------ ------ one and one?