1米的5/6和________米的1/6相等;3/4再加上________个1/4就是最小的质数.

下列四个案件的违法性质及维权途径，小郑弄错了两个，你认为是哪两个呢?

①邻居收养了几条流浪狗，每晚叫个不停，影响大家休息。物业去交涉也不管用。属于民事违法，给法院

打电话。

②赵老板带人将欠债者控制在小区的地下室百般羞辱，并将对方打成重伤。属刑事违法，向公安局报警。

③大街上来了一个耍猴的围观群众把人行道占满了导致交通受到影响。属行政违法，向城管部门举报。

④某培训机构将当地高考状元的照片用作宣传，高考状元找来后还拒不撤除。属民事违法高考状元音像公安局起诉。

山西精准扶贫的八大工程有何积极意义?

②如何看待手机阅读现象?③你是否赞同“半军事化”的学校管理?④如何看待盲目攀比消费的社会现象?⑤中国为什么要召开“一带一路国际合作高峰论坛”?

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.

Ithinkthe______(four)lessonisthemostdifficultinthisbook.