在实际生产中，一乙醇胺溶液浓度一般控制在20%～30%。
参考答案：错
犯罪嫌疑人在侦查阶段不可以聘请律师。 ( )
The best method to________this goal is to unite as many sympathetic people as possible with the labor
movement itself.[ ]
A. win
B. accomplish
C. finish
D. complete
