下列各项中描述随机效应特点的是()。A.效应的发生率与剂量无关 B.剂量越大效应越严 发布时间:2017-05-07 16:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列各项中描述随机效应特点的是()。A.效应的发生率与剂量无关B.剂量越大效应越严重C.只要限制剂量就可以限制效应的发生D.A、B和C
题型:单项选择题 — Will you please help me _____ the exercise books to the students?— Sorry I have been in a race and my strength has completely _____.[ ]A. give out; given out B. give off; given up C. give out; given in D. give up; given up 查看答案