皮皮学，免费搜题
登录
搜题
【单选题】
以下关于建筑机械加压送风系统设置正确的是()A.
前室应每层设一个常闭式加压送风口，并应设手动开启装置
B.
送风口风速为 8M/S
C.
同一平面设置时，送风机进风口距离排烟风机出口水平距离为 10M
D.
加压送风系统竖向分段高度不应超过 50M
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】两台机床加工同样的零件,它们出现废品的概率分别为0.03和0.02。加工出的零件放在一起。设第一台机床加工的零件比第二台机床的多一倍,则任取一个零件是合格品的概率为
A.
71/75
B.
24/25
C.
73/75
D.
74/75
【单选题】两台机床加工同样的零件,它们出现废品的概率分别为 0.03 和 0.02 。加工出的零件放在一起。设第一台机床加工的零件比第二台的多一倍,则任取一个零件是合格品的概率为
A.
71/75
B.
24/25
C.
73/75
D.
74/75
【单选题】The visitors, men and women, old and young, had walked for many hours, ______ of them got .very tired, but______ of them would stop to take a rest.
A.
all.., neither
B.
both.., none
C.
all.., none
D.
both.., everyone
【单选题】As there was not much chance to find good jobs in their hometown, many young men now tried to _______ their fortune in cities.
A.
find
B.
find out
C.
seek
D.
look at
【简答题】上皮组织发生的良性肿瘤
【单选题】Which factor pushed up house prices?
A.
Many young men, who live alone, have increased demand for houses.
B.
Many young men need to rent more houses.
C.
It is easy to apply for a mortgage for young generation.
D.
The number of older people, many of whom live alone, becomes bigger and bigger.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
