拜会、会见、会谈等活动应正点准时到达；参加招待会、宴会可正点到达或略迟二三分钟。( )
参考答案：对
两个西瓜重10千克，□个这样的西瓜重1吨。□内应填[ ]
A．100
B．50
C．200
D．400
Which of the following statements is true according to what you have heard().
A.I will eat lunch very quickly.
B.I will have lunch before the meeting.
C.I will eat lunch at the meeting.
D.I will eat lunch while jogging.
