为提高工作效率，铲运机工作时可采用的施工方法有()。
A.下坡铲土
B.上坡铲土
C.并列铲土
D.侧向铲土
E.推土机助铲
参考答案：A, C, E
― It is reported that Americans eat too much protein each day.
―They eat ______as they actually need.
A．as twice much
B．much as twice
C．as much twice
D．twice as much
市场管理型组织的最大优点是（）
A.管理简单
B.能针对不同细分市场的需要来开展营销活动
C.产品不会被企业忽略
D.能适应市场竞争和企业规模扩大的需要
