俄国1861年改革和美国南北战争都是为了解决资本主义发展所需要的

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.

下列算式，()的结果是奇数.

Thisbookisthelightestand______(thin)ofallthebooks.

2013年6月18日，中共中央总书记、国家主席习近平在党的群众路线教育实践活动工作会议上强调，这次教育实践活动的主要任务就是集中解决形式主义、官僚主义、享乐主义和奢靡之风这“四风”问题。这也警示我们，作为消费者应该

①适度消费，注意节俭②具有积极、健康的生活态度，追求健康文明的生活方式

③理性消费，合理消费④坚决反对铺张浪费、奢侈挥霍的生活作风