问题
单项选择题
不是徒手防卫技术的戒备姿势是（）
A.低姿戒备
B.搭手戒备
C.侧身戒备
D.提手戒备
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
不是徒手防卫技术的戒备姿势是（）
A.低姿戒备
B.搭手戒备
C.侧身戒备
D.提手戒备
参考答案：A
| 32．Communicating via E-mail is by far the most common Internet activity. You can (1) with anyone in the world who has an Internet address or E-mail (2) with a system connection to the Internet. All you need is (3) the Internet and an E-mail program Two of the most widely used E-mail programs are Microsoft’s (4) and Netscape’s Navigator. A typical E-mail message has three basic (5) ：header, message, and signature. |
(5)
A．too many
B．redundant
C．long
D．trivial