皮皮学，免费搜题
登录
搜题
【单选题】
不等速万向节指的是( )A.
球叉式万向节
B.
三销轴式万向节
C.
十字轴刚性万向节
D.
柔性万向节
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】On what occasion can strange things happen when we use body language?
A.
When it is used among people of the same culture.
B.
When it is used among people with different cultures.
C.
When it is used among people with the same social background.
D.
When it is used among native language speakers.
【单选题】当y处于闭区间[x,z]时,值为真的表达式是_______。
A.
(y<= z)&&(y>=x)
B.
(x>=y)and(y>=z)
C.
(x>=y>=z)
D.
(x>=y)&(y>=z)
【单选题】气密性试验时,压力应缓慢上升,达到规定试验压力后保压( ),然后降至设计压力,对所以焊接接头和连接部位进行泄漏检查。
A.
8分钟
B.
10分钟
C.
20分钟
D.
30分钟
【单选题】I get when things happen to me.
A.
annoyed; annoying
B.
annoyed; annoyed
C.
annoying; annoying
D.
annoying; annoyed
【单选题】"...it's a time when spooky things happen." What does "spooky" probably mean?
A.
interesting
B.
creepy
C.
bright
【单选题】When unexpected things happen in life, you know ______.
A.
you have lost control of your life
B.
you have been too self complacent
C.
you are not in control of everything
D.
you need to set new goals for yourself
【单选题】当y处于闭区间[x,z]时,值为真的表达式是_______。
A.
( y <=z)&&(y> =x)
B.
(x > =y)and(y > =z)c
C.
(x > =y > =z)
D.
(x > =y)&(y > =z)
【单选题】当y处于闭区间[x,z]时,值为真的表达式是_______。
A.
当y处于闭区间[x,z]时，值为真的表达式是_______。
B.
(x > =y)and(y > =z)c
C.
(x > =y > =z)
D.
(x > =y)&(y > =z)
【单选题】A ( ) is a plan showing when things will happen in the future.
A.
journey
B.
shift
C.
schedule
【判断题】在对进料系统进行气密试验时,压力应缓慢上升,达到规定试验压力后保压10min,然后降至设计压力,对所有焊缝和连接部位涂刷肥皂水进行检查,以无泄漏为合格。
A.
正确
B.
错误
相关题目：
参考解析：
知识点：
题目纠错 0
发布
