I'll have to use a lot of English _____ I get the job.
查看答案
Why does Bill spend a lot of time to study English?
A. Because he is interested in English
Because he's apply for a job in an international company.
Is English a must for the job?
A. Yes, it is.
B. No, it isn't
分光光度法中不影响摩尔吸光系数的是( )
A. 溶液温度
B. 入射光波长
C. 液层的厚度
D. 物质的特性
硫酸铜溶液显蓝色是由于它吸收了白光中的( )
A. 绿光
B. 蓝光
C. 黄光
D. 紫光