皮皮学，免费搜题
登录
搜题
【判断题】
正常情况下大肠杆菌寄生在肠道里,并不引起病症,但如果由肛门进入尿道口,就会导致尿道发炎。A.
正确
B.
错误
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】Mr. Pontetlier felt extremely frustrated because______.
A.
his wife overslept
B.
his wife greeted late
C.
his wife was indifferent to his talk
D.
his wife showed too much interest in his talk
【简答题】窗的主要作用是 、 、和
【多选题】切削用量三要素是金属切削加工中非常重要的参数,它们直接影响:
A.
切削力的大小
B.
切削热和切削温度
C.
刀具磨损和刀具耐用度
D.
数控程序编程
E.
生产率、加工成本和加工质量
【简答题】窗的主要作用是 、 和
【简答题】门窗的主要作用是( )
【简答题】A．Some people didn't support him. B．Some people are jealous of him. C．His wife wanted him to give up his business. D．He has no confidence to run his business any more.
【单选题】When Henry arrived home after a hard day at work, his wife was slept.
A.
his wife was sleeping
B.
his wife slept
C.
his wife has slept
D.
his wife has been sleeping
【单选题】[机械设计部分][中职和高职和教师][难] 双曲柄机构机架长度为50mm,两连架杆长度分别为100mm和150mm,则连杆长度L的取值范围是 ( )
A.
50mm≤L≤150mm
B.
100mm≤L≤150mm
C.
150mm≤L≤200mm
D.
100mm≤L≤200mm
相关题目：