当JOIN前的连接类型缺省时,是指()。
A.INNERJOIN
B.LEFTJOIN
C.RIGHTJOIN
D.FULLJOIN
参考答案:A
— Mr White has been working all the morning with no rest.
— He is a(n)________man.He never looks tired. [ ]
A. energetic
B. powerful
C. lovely
D. attractive
()决定了企业和产品在顾客心目中的形象,决定了顾客的购买行为。