假设演示文稿已准备就绪，但是不知道用来进行演示的计算机是否安装了PowerPoint。使用“打包至CD”比较安全。()
1、正确正确
暂无解析
()______ismyumbrella?It'soverthere.
()1.Couldyouhelpme，please?A.OK.
()2.Thanksalot.B.You'rewelcome.
()3.Let'sputthebooksinthebox.C.It'sMonday.
()4.Canyoucarryit?D.No，it'sfull.
()5.Who'sondutytoday?E.lam.
()6.Isitempty?F.No，it'slight.
()7.Whatdayisittoday?G.Certainly.
()8.Isthatbagheavy?H.No.LiLeiisn'there..
()9.Areweallheretoday?I.No，thanks.
()10.Letmehelpyou.J.Yes，Ican.
18和24的最大公因数是________，3和5的最小公倍数是________.
()“Whatwouldyoulike?”“I'dlike_____toeat.”
在1﹣20中，既是奇数又是质数的数，有()个.
