下列事件发生的先后顺序是()

①《天朝田亩制度》颁布②第二次鸦片战争爆发③英法联军攻陷北京④《天津条约》签订

JackisateacherofEnglish.Heisnotyoung，butheisnotold.Hehasaroundfaceandblackhair.Heistall.Therearefiftystudentsinhisclass.Theyalllikehim.Nowit'sintheafternoon.Look，somestudentsareworkingintheclassroom.Jackisthere，too.HeishelpingthemtostudyEnglish.Heisagoodteacher，andheisagoodfriendofthemall.

()1.WhatdoesJackdo?

A.Heisaworker.

B.Heisateacher.

C.Heisadoctor.

D.He'sanurse.

()2.Whatcolourishishair?

A.It'sblack.

B.Hisheiriswhite.

C.Itisbrown.

D.Hehasyellowhair.

()3.Howmanystudentsarethereinhisclass?

A.Therearefifteenstudentsinhisclass.

B.There'sfifty.

C.Hehasfifty.

D.There'refiftyinit.

()4.Jackisagoodteacher，isn'the?

A.Yes，heisn't.

B.No，heis.

C.Yes，he's.

D.Yes，heis.

()5.Whatarethestudentsdoingintheclassroom?

A.Theyarewalkingthere.

B.Theyaredoingtheirlessons.

C.Theyarehelpingtheirteacher.

我国一些大城市在利用地下水资源时，为避免地下水漏斗区的出现与城市地面的下沉，采取了回灌等措施。这个实例说明了()

II型糖尿病患者体内的胰岛素浓度比正常人高，但摄入糖后，体内血糖浓度很难降至正常水平，2导致患者尿中出现葡萄糖。下列叙述错误的是

()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.