皮皮学，免费搜题
登录
搜题
【单选题】
象征性交货卖方的交货义务是( )。A.
不交货
B.
既交实际性交货
C.
凭单交货
D.
实际性交货
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】A vessel engaged in minesweeping on the high seas carries which of the following day signals ?
A.
Two green balls in a vertical line
B.
Two black balls in a vertical line
C.
A black ball at the foretruck and yardarm ends
D.
A shape of two cones point to point
【单选题】The door and the windows were all closed and there was no _____ of forced entry. [ ]
A.
scene
B.
signal
C.
sign
D.
sight
【单选题】Scientists are sure that the color red ______.
A.
encourages athletes wearing it
B.
is a signal of vigor
C.
is superior to the color blue
D.
delivers messages of mental advantage TEXT C
【简答题】在图示的电路中,已知 C =0.1mF 。 开关 S 闭合后电路的时间常数 为( )s。
【单选题】Telecommunications stand for devices and systems that transmit electronic or optical signals across long distances. Telecommunications enables people around the world to contact one another, to access...
A.
Current development.
B.
Transmission of message.
C.
Computer networking.
D.
Government regulation.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
