皮皮学,免费搜题
登录
搜题
【判断题】
数字式超声波探伤与模拟式超声波探伤仪最根本的区别是,探头接收的超声信号需/模转换,将数字信号转换为模拟信号,处理后显示出来。
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
【简答题】完形填空。 There was once a great artist in Belgium.  He said that his daughter should never marry anyone but 1 artist. But she loved a blacksmith  (铁匠)  and theblacksmith fell in love with her too.  When ...
【简答题】He told me that he wanted to buy his daughter a new bag as her old one has been stolen. A                         B        C    D
【简答题】Mr. Black loved his daughter Helen very much. Every day he spent all of his free time   51   with her. One night, he had much work to do,  52   couldn’t play with his daughter. In order to keep her   ...
【判断题】算术逻辑部件ALU的功能是对二进制数进行算术运算
A.
正确
B.
错误
【单选题】It's impossible for parents to ______ their children from every danger.
A.
shield
B.
conserve
C.
relieve
D.
free
【判断题】In the preconventional stage of moral development, individuals make a clear effort to define moral principles apart from the authority of the groups to which they belong or of society in general.
A.
正确
B.
错误
【单选题】A Mr. Black loved his daughter Helen very much. Every day he spent all of his free time 51 with her. One night, he had much work to do, 52 couldn't play with his daughter. In order to keep her 53 , he...
A.
working
B.
running
C.
playing
D.
walking
【单选题】How does the writer feel about sounds in general?
A.
They make him feel at home.
B.
He thinks they should be ignored.
C.
He believes they are part of our lives.
D.
He prefers silence to loud noises.
【单选题】The general agent is unexpected to make decisions in keeping with the goals and ethics of the company.
A.
Right
B.
False
C.
Uncertain
【单选题】Changes in the social structure may indirectly _____ juvenile crime rates. For example, changes in the economy that lead to fewer job opportunities for youth and rising unemployment in general make ga...
A.
[A] affect
B.
[B] reduce
C.
[C] check
D.
[D] reflect
相关题目: