皮皮学，免费搜题
登录
搜题
【单选题】
已知下列四个命题： （1）对角线互相垂直平分的四边形是正方形； （2）相邻的两个角都互补的四边形是平行四边形（3）平分弦的直径垂直于弦，并且平分弦所对的两条弧 （4）对角线垂直相等的四边形是菱形；其中真命题的个数是 [ ]A.
0
B.
1
C.
2
D.
3
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】根据短文内容及首字母提示补全单词。 Jack went to a barber's shop and had his hair cut, but when he came out, he was not (1)_h_______ with the result. When his friend Bob saw him, he (2)l_______ and said, 'What happen...
【简答题】Tim went to the shop to _____________________.
【简答题】MS-DOS操作系统由BOOT、IO.SYS、MSDOS.SYS以及______所组成。
【单选题】The wrong description about alarm extension system of the alarm and monitoring system is ______.
A.
the alarm extension system is used for UMS
B.
the extension alarm panels are located in the engine control room
C.
the duty engineer can acknowledge the alarm on the extension panel
D.
the duty engineer must go down to the engine room after alarm acknowledgement on the extension panel
【简答题】将五层协议的网络体系结构的要点和 各层的主要功能连线。
【单选题】Tim went to the shop to____
A.
replaced his watch
B.
have his watch replaced
C.
have replaced his watch
D.
be replaced his watch
【单选题】What should we avoid doing if we want succeed according to the conversation?
A.
Being ready to accept others' advice.
B.
Not being too self-confident.
C.
Bearing Endurance and persistence.
D.
Having a disproportional belief in one ability.
【单选题】What should we avoid doing if we want succeed according to the conversation?
A.
Being ready to accept others' advice.
B.
Not being too self-confident.
C.
Beating Endurance and persistence.
D.
Having a disproportional belief in one' ability.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
