采用多道程序设计技术不必注意的是（）
A、主存储器的保护D
暂无解析
Mycoat__________therebehindthedoor.Can’tyouseeit?
YouaregoingtospendholidaysinHawaiiinJune.Suddenlyyoureceivedaletterfromanimportantcustomer,Mr.EltonDeland,whowillarriveon25thJuneanddiscusstheclaim.YouhavetodelaythetriptillJuly.
WriteashortmessagetoMs.AnneFolster,yoursecretary.
.ExplainWhyyoupostponeyourtrip.
.MentionthedatewhenMr.EltonDelandwillarrive.
.Askhertoarrangeyourmeeting.
.Write30-40wordsonyourAnswerSheet.
Talkingtoforeignersisfunifyou____therighttimeandplace.
WhichjobatHudsonswillPamapplyfor。
______hardworkitis!
