皮皮学，免费搜题
登录
搜题
【单选题】
Snow对伦敦地区的研究发现霍乱流行的原因可能是（）A.
土壤污染
B.
水污染
C.
空气污染
D.
食物污染
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
【简答题】Telecommuting, also known as teleworking or working from home, is a term that, refers to the use of telecommunications to work in a place removed from the company's office, most often at a home office...
【单选题】This Certificate will remain in force until May 1，2009． ______.
A.
This Sentence refers to the validity of the Certificate
B.
This Sentence refers to the time of the Certificate
C.
This Sentence refers to the date of the Certificate
D.
This Sentence refers to the issue of the Certificate
【单选题】正常分娩时,保护会阴的时间是
A.
初产妇胎先露拨露会使会阴后联合皮肤紧张时
B.
初产妇胎先露着冠
C.
初产妇宫口开全
D.
经产妇宫口开4-5cm，宫缩规律有力时
E.
初产妇宫口开4-5cm，宫缩规律有力时
【单选题】正常分娩时，保护会阴的时间是
A.
初产妇胎先露拨露会使会阴后联合皮肤紧张时
B.
初产妇胎先露着冠
C.
初产妇宫口开全
D.
经产妇宫口开 4-5cm ，宫缩规律有力时
相关题目：