还剩2页未读,继续阅读
文本内容:
小学常见介词和介词短语
一、含义:介词是表示两词之间的关系的词我们在小学学过的英语介词有
1.on1在------上面Thebookisonthedesk.2在------(哪一天/星期)WhatdoyoudoonWednesday3在------(月、日)MybirthdayisonAugust2nd.
2.in
(1)在------里面Thepensareinthepencil-box.2在------(哪一年/月)HisbirthdayisinOctober.Heworkedherein
1992.3在------(地方)HeworksinDongguan.4在------之内Whatareyougoingtodoin20years5在------(早上、下午、晚上)Idomorningexercisesinthemorningeveryday.Iusuallyplaybasketballintheafternoon.Ioftendomyhomeworkintheevening.
3.under在------底下Thereisaballunderthebed.
4.near在------附近Thereisabookshopnearourschool.
5.infrontof在------前面Aboyisstandinginfrontofthehouse.
6.beside在------旁边Afootballisbesidethedoor.
7.nextto紧挨着ThereisabusstationnexttoNo.13MiddleSchool.
8.over在------正上方Abridgeisovertheriver.
9.ontheleft在------左边Thebookstoreisontheleft.
10.ontheright在------右边Thehospitalisontheright.
11.before在……之前Mikesitsbeforeme.
12.after在------以后Hewenthomeafterschool.
13.inthemiddle在------中间Theroadisinthemiddle.
14.at1在------(小地方)Iamatschooltoday.Iwasathomeyesterday.2在------(点钟)Iusuallygotoschoolat8:00am.
(3)看一看Lookattheblackboard.4在中午atnoon
15.behind在------后面Thereisabroombehindthedoor.16.For1给Thispresentisforyou.2为了Thankyoufortellingmethewaytothezoo.3作为Wehavesomechipsandhamburgersforlunch.17.To1到TakeyoursportshoestotheP.Eclass.2致Happybirthdaytoyou.Giveittoyourfriend.
18.from来自IamfromChina.=IcomefromChina.
19.from---to从------到------Lineupfromshortertotaller.WehaveclassfromMondaytoFriday.
20.of------的HeisastudentofKamaSchool.
21.by
(1)在------之前Wemustbeathomeby6o’clock.
(2)乘------交通工具Peoplecangotothemoonbyspaceship.Igotoschoolbybus.22.With1用Iwritealetterwithapen.2和------一起HewenttoShenzhenwithhisparents.
23.between在------与------之间ThereisafootballmatchbetweenClassOneandClassThree.
24.into到------里Sharkscandiveintothedeepcoldwater.
25.like
(1)像------Thetwinsareliketheirfather.
(2)长相------怎样?What’shelike
26.up向上Putupyourhandsifyouhaveanyquestions.
27.down向下Putdownallthebookshere.
28.about1大约;关于It’sabout6:00now.2------怎么样?Whatabout---Howabout---
29.whatfor为什么Butwhatfor
二、介词短语介词短语指的是某一个介词固定与另外一个词搭配,表达某一个固定的意思以下是我们总结出来的学过的介词短语
1.waitfor等候Waitforme.Iwanttogoshoppingwithyou.
2.help---with---帮------干------Icanhelpmymomwithsomehousework.
3.athome在家Hewasnotathomeyesterday.
4.holdon保持,别挂机Holdonplease.He’swritingane-mailinthestudy..
5.onfoot步行Igotoschoolonfoot.
6.getto到达Iusuallygettoschoolat8:00am.
7.geton上车GetontheNo.28buswhenitstops.
8.getoff下车Getoffatthethirdstation.
9.turnon打开It’sdarkintheroom.Pleaseturnonthelight.10.turnoff关闭Weshouldturnoffthelightbeforeweleave.
11.onholiday度假MyfamilyaregoingtoCanadaonholiday.
12.playwith与------玩Icanplaywiththesnowinwinter.
13.aglassof一杯Thereisaglassofwateronthedesk.
14.puton穿上It’scoldtoday.Putonyoursweaterplease.
15.takeoff脱下It’shotnow.Takeoffyourcoat.
16.putaway放好Putawayyourbooks.WearegoingtohaveaP.Eclass.
17.lookfor寻找Iamlookingformydog.
18.ontime准时Igettoschoolontimeeveryday.
19.intime及时Themanfelldown.Thedoctorscameintime.
20.goonatrip去旅行Wearegoingonatriptomorrow.
21.atnight在深夜Thepolicemanusuallyworksatnight.
22.begratefulto感激某人Iamverygratefultomymother.
23.listento听------Ilikelisteningtomusic.
24.pass---to---给------传递------HepassestheballtoMike.
25.flyinto飞进------TheballfliesintoJohn’sface.
26.runinto跑进……Irunintothehotel.
27.whatfor为什么Butwhatfor
28.comeon加油!Comeon!小学数学图形计算公式1正方形C周长S面积a边长周长=边长×4C=4a面积=边长×边长S=a×a2正方体V:体积a:棱长表面积=棱长×棱长×6S表=a×a×6体积=棱长×棱长×棱长V=a×a×a3长方形C周长S面积a边长周长=长+宽×2C=2a+b面积=长×宽S=ab4长方体;V:体积s:面积a:长b:宽h:高1表面积长×宽+长×高+宽×高×2S=2ab+ah+bh2体积=长×宽×高V=abh5三角形s面积a底h高,面积=底×高÷2,s=ah÷2,三角形高=面积×2÷底,三角形底=面积×2÷高6平行四边形s面积a底h高,面积=底×高s=ah7梯形s面积a上底b下底h高,面积=上底+下底×高÷2s=a+b×h÷28圆形S面积C周长∏d=直径r=半径,1周长=直径×∏=2×∏×半径,C=∏d=2∏r2面积=半径×半径×∏9圆柱体v:体积h:高s;底面积r:底面半径c:底面周长,1侧面积=底面周长×高,2表面积=侧面积+底面积×23体积=底面积×高
(4)体积=侧面积÷2×半径10圆锥体v:体积h:高s;底面积r:底面半径,体积=底面积×高÷3总数÷总份数=平均数和差问题的公式;和+差÷2=大数和-差÷2=小数和倍问题和÷倍数-1=小数小数×倍数=大数或者和-小数=大数差倍问题:差÷倍数-1=小数小数×倍数=大数或小数+差=大数植树问题1非封闭线路上的植树问题主要可分为以下三种情形:⑴如果在非封闭线路的两端都要植树那么:株数=段数+1=全长÷株距-1全长=株距×株数-1株距=全长÷株数-1⑵如果在非封闭线路的一端要植树另一端不要植树那么:株数=段数=全长÷株距全长=株距×株数株距=全长÷株数⑶如果在非封闭线路的两端都不要植树那么:株数=段数-1=全长÷株距-1全长=株距×株数+1株距=全长÷株数+12封闭线路上的植树问题的数量关系如下:株数=段数=全长÷株距全长=株距×株数株距=全长÷株数盈亏问题:盈+亏÷两次分配量之差=参加分配的份数大盈-小盈÷两次分配量之差=参加分配的份数大亏-小亏÷两次分配量之差=参加分配的份数相遇问题:相遇路程=速度和×相遇时间相遇时间=相遇路程÷速度和速度和=相遇路程÷相遇时间追及问题:追及距离=速度差×追及时间追及时间=追及距离÷速度差速度差=追及距离÷追及时间流水问题:顺流速度=静水速度+水流速度逆流速度=静水速度-水流速度静水速度=顺流速度+逆流速度÷2水流速度=顺流速度-逆流速度÷2浓度问题:溶质的重量+溶剂的重量=溶液的重量溶质的重量÷溶液的重量×100%=浓度溶液的重量×浓度=溶质的重量溶质的重量÷浓度=溶液的重量利润与折扣问题:利润=售出价-成本利润率=利润÷成本×100%=售出价÷成本-1×100%涨跌金额=本金×涨跌百分比折扣=实际售价÷原售价×100%折扣<1利息=本金×利率×时间税后利息=本金×利率×时间×1-20%。