临床应用的脑电图机不应少于().
A.8个导程
B.16个导程
C.32个导程
D.64个导程
E.无要求
参考答案:A
与吸引策略相比较,投资策略具有()。
A.产品创新性
B.技术复杂性
C.人员充沛
D.培训机会多
E.薪酬福利高
.Dad always says he prefers _______ outside the shopping centre _____ together with my mother.
A.waiting; to shop
B.to wait; to shopping
C.waiting; rather than shopping
D.waiting; to shopping