皮皮学，免费搜题
登录
搜题
【多选题】
采用锤击沉桩法打预制桩时,正式沉桩时宜采用()A.
短距轻打
B.
重锤低击
C.
低提重打
D.
长距重打
E.
长距轻打
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
【简答题】个体被善或恶的社会现象所激起的情感状态是( )。 A．道德感 B．理智感 C．美感 D．热情
【简答题】Several years ago, I had to replace a receptionist for my unit. Before I advertised for the position, I was approached by another manager, and asked if l would consider a transfer from his staff inste...
【多选题】关于低压断路器,以下说法正确的是:
A.
低压断路器又称为自动空气开关；
B.
主要用来控制不频繁启动的电机；
C.
具有闸刀开关、热继电器及漏电保护器部分或全部功能；
D.
同时具有过载、短路和欠电压保护等功能。
【多选题】关于低压控制和保护电器说法正确的是（）。
A.
刀开关是手动不频繁控制设备，容量小、没有灭弧能力
B.
低压断路器有短路、过载、失压或欠压保护
C.
接触器线圈有电，常开触头打开、常闭触头闭合
D.
熔断器又叫保险丝（管），可以用铜线代替使用
【单选题】I had been working in the trauma unit at a local hospital for about a year. You get used to families thinking that a 'coma' patient is moving their hand or doing something that they were asked to do. ...
A.
is found to be following commands
B.
is thought to be following commands
C.
is used to following commands
D.
is callous to nurses' commands
【单选题】-- __________ you __________ breakfast? -- Yes, I had it at 6:30.
A.
Had; had
B.
Have; had
C.
Are; having
D.
Were; having
相关题目：
参考解析：
知识点：
题目纠错 0
发布
