[名词解释] 乒乓反应(ping-pong reaction)
[单选题]8.—Can we _______ ping-pong?—No,_______ tennis.A. play; let's playB. plays; let's playC. play; let's to playD. plays; let's to play
[主观题]I have a ping-pong ball and two bats.L _______play ping-pong.
After ( ) the Ping-Pong player felt tired out.A. work of a dayB. a day's workC.
[单选题]John: Hello, Maria!______.Maria: Yes, I'm pretty busy lately. How about your studies?
A . will play B . have played C . played D . play
[单选题]E.dward, you play so well. But I you played the piano. A. didn’t know B. hadn’t known C. don’t know D. haven’t known
[单选题]ping()命令的含义是ping本机。A .192.168.0.1B .127.0.0.1C .255.255.255.0D .192.168.0.255
[单选题]23. Maria is Frank's_____A. sisterB. motherC.cousinD. daughter
[单选题]Julia can ________________, she wants to be a band member.A. dance B. speak English C. play the violin D. play the guitar