___ did you leave the company? —— There were not many opportunities for self-development.
A. When
B. What
C. Why
D. Which
查看答案
增加底物可解除抑制作用的是()
A. 抑制剂
B. 激活剂
C. 蛋白变性剂
D. 竞争性抑制剂
E. 非竞争性抑制剂
Have you had____ experience with sales work?
A. any
B. a
C. some
D. many
抑制作用与底物浓度无关的是()
A. 抑制剂
B. 激活剂
C. 蛋白变性剂
D. 竞争性抑制剂
E. 非竞争性抑制剂
I____the company two months ago.
A. leave
B. left
C. leaves
D. leaved
微信支付 
支付宝支付