【判断题】关键词可以作为变量名使用A. 对 B. 错
【单选题】What _____ Yu Ping usually _____ on weekends? [ ]
【多选题】关于JavaScript关键字的描述,下列说法正确的是()。
A.
是指在JavaScript脚本语言中被事先定义好并赋予特殊含义的单词字符
【单选题】What does ping do?
A.
Notifies the local router that the computer wants more packets.
B.
Sends a "are you there " packet to a computer, getting back a "yes" packet.
C.
Notifies the local router that the computer does not want any more packets.
D.
Sends a "who is there" packet, getting back a description of the recipient.
【单选题】your mother have a ping-pang bat? [ ]
【简答题】( )7.—What _____ Yu Ping usually _____ in her free time? —She usually goes to the library. A. do; do B. is; doing C. does; does D. does; doA. do; do B. is; doing C. does; does D. does; do
【简答题】中华人民共和国的政党制度是的多党合作和( )。