皮皮学，免费搜题
登录
搜题
【单选题】
用甲醛进行空气熏蒸消毒时,使用浓度是A.
20ml/m3
B.
6ml/m3
C.
1ml/m3
D.
5ml/m3
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: Elizabeth Martin speaking. M: Dr. Martin, my name is Mark Johnson. My roommate Benjamin John is in your art history class, Art History 502. W: Yes. M: Well, he's sick and won't be in your clas...
A.
Find out about a course.
B.
See an adviser.
C.
Drop off a paper.
D.
Go to a meeting.
【简答题】选用适当的句子完成对话。 ( 答案请用大写的 A-E) A. Yes,I suppose I should have done so. B. OK.Take care and don’t eat any more fish. C. Why weren’t you here at the meeting? D . That’s all right. E. We thought you might h...
【简答题】At 10 years old, Flynn Mc Garry became sick of the meals his mother cooked for him. So the Los Angeles native took matters into his own hands and started his own dinners. One of his specialties...
【简答题】A. Why didn’t you phone ? B. OK. Take care and don’teat any more fish C. Why weren’t you here atthe meeting ? D. That’s all right E. We thought you might havehad an accident or forgotten the day or s...
【简答题】抢救高血钾病人时，下列哪项措施是错误的
相关题目：