In case you can make a reduction _ 5% _ your price, we may strike the deal with you.
A. of, of
B. by, by
C. of, in
D. for, for
No discount will be granted _ you place an order for more than 1000 dozen.
A. if
B. unless
C. whether
D. but for
试带法检测尿酮体的原理是()
A. 利用 PH指示剂蛋白误差原理
B. 利用葡萄糖氧化酶法原理
C. 利用硝普钠(亚硝基铁氰化钠)法原理
D. 利用过氧化物酶法原理
_ an order for 100 pieces or more, we allow a special discount of 5% for payment by L/C.
At
B. In
C. On
D. From