高压蒸汽灭菌法通常在103.4kPa(1.05kg/cm)的压力下维持时间为()。A 发布时间:2017-06-09 20:14 │ 来源:www.tikuol.com 题型:单项选择题 问题: 高压蒸汽灭菌法通常在103.4kPa(1.05kg/cm)的压力下维持时间为()。A.1~5分钟B.6~10分钟C.15~20分钟D.30~40分钟E.55~60分钟
题型:单项选择题 动词的适当形式填空。1.He will go out for a walk if it ______ (not) rain tomorrow. 2.Would you like ______ (go) out for a walk ? 3.—Did you see Tom at the party? —No, he ______ (leave) by the time I got there. 4.She said she ______ (come) to see me before she left. 5.She ______ (tell) the good news as soon as it arrived. 查看答案