把2米长的线段平均分成5份，每段长2/5米。

翻译下面的短语

1.二瓶果汁___________

2.到这来___________

3.在树下___________

4.双胞胎兄弟___________

5.howmuch___________

6.thanksalot___________

7.lookafter___________

8.puton___________

9.在天空中___________

10.穿红衣服的女孩___________

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.

1842年8月，清政府被迫签订了中国近代史上的第一个不平等条约《南京条约》，该条约中开放的通商口岸位于最北边的是

Chinesepeopleareverygoodattablet_____，andit'sourfavoritesport