皮皮学，免费搜题
登录
搜题
【单选题】
关于锅炉房内燃气配管系统设计要求。不正确的是(??? )。A.
供气管路上安装的附件连接要严密可靠，管道及附件不得装设在高温或有危险的地方
B.
配管系统使用的阀门用阀或阀杆带有刻度的阀门，以便操作人员能识别阀门的开关状态
C.
在通向每台锅炉的支，应装有关闭阀和快速切断阀、流量调节阀和压力表
D.
在支燃烧器前的配管上关闭阀，阀后串联两只切断阀，并两阀端口设置放散管
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】It costs about _______ times as much to attract a new customer as it costs to keep an old one.
A.
two
B.
three
C.
four
D.
five
【单选题】在主讲老师说的故事《影响我一生的几本书和几个人》里，作者想表达的散文立意是（ ）。
A.
与读者兴趣相连的文学阅读才容易与青少年培育艺术感觉发生正相关；
B.
文学阅读影响人的成长有偶然性；
C.
文学读写能力通过自学可以得到提高；
D.
少年成长中最初的文学阅读很重要。
【判断题】It costs about five times as much to get a new customer as it does to keep an existing customer.
A.
正确
B.
错误
【单选题】It has been observed that a product's production costs decline by some quantity about each time, cumulative output:
A.
increases by twenty five percent.
B.
quadruples.
C.
doubles.
D.
triples
【简答题】Peter: Hello, I want to order some waterproof cloth. How many types do you have? Salesgirl: We have five different types. Here’s the price list. Peter: I think this type is quite good. But it’s a bit ...
【单选题】--- Can you deliver the furniture to my place, please? --- It depends on where you live, s ir. --- In Strawberry Town. --- _______ . But it costs five dollars.
A.
Sorry, we can ’ t
B.
Yes, we can deliver there
C.
We know little about the town
D.
We have a lot of goods to deliver
【单选题】患者女性,38岁,T3和T4明显高于正常,诊断为甲状腺功能亢进症,临床症状可以表现为
A.
反复高热
B.
怕热汗闭
C.
焦躁易怒，手指震颤
D.
便秘
E.
食欲亢进体重增加
【简答题】选词填空。 in vain at random slow down talk about worry about find out a generation of at all costs suffer from out of breath 1.We must the customs of other countries...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
