自驱力
参考答案:源自营销人员内在想用自己的方法设法完成销售的心里因素。
He _____ football regularly for many years when he was young.
A.played
B.was playing
C.has played
D.had played
属于脂肪组织中合成三酰甘油的原料是
A.甘油B.3-磷酸甘油C.1-磷酸甘油醛D.1,3-二磷酸甘油酸E.2,3-二磷酸甘油酸