甘肃省黄河东南部地区自南向北属于()

letus(缩写形式)__________

下列说法符合物理学史实的有（）

()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.

当北京是5月1日5点时，世界是4月30日的地方()