活动描述

原始社会可以分为这样几个时期：旧石器时代人类还只能制造简单的石器,通过狩猎和采集维持生活.在旧石器时代早期和中期,人们通过血缘关系维持着家族内部的关系.在血缘家族内部,婚姻按照辈数来划分,同一辈分的人

franm*sfatherisreadingabook再答：采纳亲

百草园环境：那里曾经是“我的乐园”,充满了勃勃生机,在儿时“我”的眼里充满了无限情趣.仔细描述了：静态景物：菜畦、石井栏、皂荚树、桑葚、泥墙根、何首乌藤、木莲藤、覆盆子.动物有：鸣蝉黄蜂叫天子油蛉蟋蟀

MyhometownMyhometownisverybeautiful.Inspring,it'swarmangwindy.Icangohikingwithmyparentsandplantsomet

Yesterday,DavidwenttoschoolwithPeterat7:00.ThenhestudiedEnglishfrom8:00to9:00.AT12;00,hehadlunchatsc

描写清平乐村居用了三个(溪)字,描述紧紧围绕(小溪)展开人物活动.

范文TheSpringFestivalisthemostimportantfestivalinChina.ItisonJanuary1staccordingtotheChineselunarcalen

Theweekendiscoming.IwillhaveahappyweekendOnSaturdaymorning,I’mgoingtodomyhomework.Andthen,I’mgoingou

Yesterday,mymotherwenttotheshop.Sheboughtsomesweets.Myfatherstayedathomeandreadnewspaper.Ididmyhomew

Tillnowwehavegrownmanytrees!

InthemorningIranwithmydad.Wewereveryhappywhenwewereinthetopofthehill.IntheafternoonIdidmyhomeworkath

Itisalongtimethatwedidnotseemygrandfatherandgrandmotherinthecountryside.MyparentandIplantovisitthemt

1、人类大量排放温室气体：导致全球变暖、海平面上升,两级冰川融化、加剧全球气候干旱等.2、大量使用氟氯昂等物质,导致南极上空臭氧层空洞,加剧紫外线辐射,影响生物多样性,和人类健康.3、乱砍乱伐：导致水

Hello,I'mAmy.I'mastudentandtherearealotofactivitiesinmyschool.Inthemorning,wehaveanassembly.Ilikeitv

我的暑假InthisvacationsIwenttotravelinsomefamousplacesandIvisitedmygrandparentsinthevillage.Ilearnedsome

到了我们要去的运动会体育中心,同学们在老师的带领下有条不紊的进入会场,我们班的同学个个精神抖擞,斗志高昂心中只有一个心愿：希望这次运动会能拿全年级第一名.运动会开幕仪式开始了,校长在广播里发言说：“同

Hi,I'mMary.Iusuallydomyhomeworkeverynight,afterthat.IsometimeswatchTVorplaycomputergames.Onweekends,

题目：myfamilydayThere'retherepeopleinmyfamily,myparentsandme.wealwaysdodiffrentsthings,letmeshowyouwha

helloevery!mynameis****,thisismyfriend----kete,letmetellyouabouthiefamily!look!hisfatherisreadingane

动物所进行的一系列有利于它们存活和繁殖后代的活动，都是动物的行为．动物的行为多种多样的运动，按行为目的不同可将动物行为分为取食行为、防御行为、繁殖行为、迁徙行为、社群行为等．①几头狮子利用草的掩护悄悄