在后张法施工中,下列适用于钢丝束的锚具是()。
A.螺丝端杆锚具
B.钢质锥形锚具
C.单孔夹片锚具
D.镦头锚具
参考答案:C
利用顾客求廉心理,特意将某几种产品的价格定的较底以吸引顾客,是采用的()。
A、撇脂定价
B、招徕定价
C、价格歧视
D、折扣定价
________ mainly for the invention of the telephone, Alexander Graham Bell devoted his life to helping
the deaf.[ ]
A. Remembered
B. To be remembered
C. Having been remembered
D. Though remembered