It's( 1 ) the desk.It's ( 2 ) to ( 3 ) dictionary.( 4 )new.

相关推荐

• 1、登一座山,上山时每分钟行50米,到山顶后沿原路下山每分钟行90米,若上山所需时间比下山多400分钟,则这条山路有多少千米?2、甲、乙两人从A地出发,如果甲先走1消失,乙从后面追赶X小时后,刚好在B地追上甲,则甲走了多少小时?若甲的速度是6千米/时,乙的速度是8千米/时,则可列出的方程是_________?（用方程解答）3、轮船在两码头之间航行,顺水速度为a千米/时,逆水速度为b千米/时,则水流速度是多少千米/时?4、汽车以每小时72km的速度笔直的开向寂静的山谷,驾驶员按一声喇叭,4s后听到回想,已知声音在空气中的传播速度是340m/s,听到回响时汽车离山谷的距离是多少米?不懂。请用方程解答
• 1.--我要去剧院看表演.--I’m going to see a play in the t( )2.--我的衣服怎么样?--What do you think of my c( ).---嗯,看上去很完美.--Well,they look p( )3.你的脚怎么了?---What‘s the matter with your f( )4.因为我的鞋是五码的.Beacause my shoes are s( ) five.
• 如图是一个电热毯的简化电路图，电源电压为220v，R1是发热电阻，R2是阻值为616Ω的分压电阻，S是控制电热毯工作状态的开关．S转到触点1为断开状态；S转到触点2为低温状态；S转到触点3为高温状态，此时功率为100W．求：（1）当开关S转到触点3时，电热毯的发热电阻R1是多少欧姆？（2）当开关S转到触点2时，通过电路的电流是多少安培？发热电阻R1消耗的功率是多少瓦特？
• 1.汽车启动后做匀加速直线运动,它在第五秒内行驶了9m,则它在第七秒末的速度是 m/s.他在前五秒内的平均速度是 m/s.2.五辆汽车每隔一定的时间以同一加速度从车站沿笔直公路出发,当第五辆启动时,第一辆已离站320m,此时第四辆与第三辆的距离是 m.3.一个质点从静止开始做匀加速直线运动,已知它在第四秒内的位移是14m,求（1）质点运动的加速度（2）它前进72m所用的时间4.有一个做匀变速直线运动的物体,它在两段连续相等的时间内通过的位移分别是24m和64m,连续相等的时间为4s,求质点的加速度和初速度大小.
• 1.Few of them enjoyed ____ the cabbage in vinegar,but Caption Cook insisted ___ from the time they went abroad.A.eating;they do B.to eat;they should doC.eating;on doing D.to eat;on them doing(答案是A,我认为第一空填eating第二空填on them doing(insist on...) 望高手指点一二说出为什么)2.There is a well-equipped laboratory ___ the woods.A.along B.dowm C.cross D.beyond请问这句话怎么翻译?（超越了森林?3.It's very important ___ us ___ English well.A.of;learning B.for;learning C.of;learn D.for;to learn
• 已知如图在正方形ABCD外取点 E,连接AE、BE、DE,过点A做AE的垂线交ED于点P 若AE=AP=1,PB= 下列结论已知,如图,在正方形ABCD外取点E,连接AE、BE、DE,过点A做AE的垂线交ED于点P 若AE=AP=1,PB=根号5,下列结论：1.三角形APD全等于三角形AEB 2.点B到直线AE的距离为根号23.EB垂直于ED4.S三角形APD+S三角形APB=1+根号65.S正方形ABCD=4+根号6其中正确结论序号为A.134 B.125 C.345 D.135
• 求助几道时态填空题1、-What______(you)_____(do)?--We ____(pick)apples.--How many___you____(pick)?--We___(pick) ten baskets.2.He ______(sleep)since ten o'clock.It's timehe woke up.3.I _____(look)for mushrooms but I ______(not find）any.
• 英语选择题6个.需要回答时带解释.1.He has already spent () she gave him.A.how B.what C.which D.on what2.Write down the names of three countries.Any three will ()A.be B.do C.get D.make3.A:Do you mind getting up early?B:()A.I don't like either B.No,I don't mind it C.Yes,I don't hate it D.Yes,I like it4.The hotel () a shoe-cleaning service for its guests.A.takes B.brings C.provides D.makes5.A week's rest will () you a lot of good.A.make B.look C.do D.become6.It () unbel
• 二次函数,速回!1.不论b取何值,抛物线y=x^2-2bx+1和直线y=-1/2x+1/2m总有交点,则m的取值范围为（ ）2.已知二次函数y=2x^2-4mx+m^2,若函数的图像与x轴的交点为A,B,顶点为C,且S△ABC=4根号2,求m的值.
• 英语作业,不太懂.连词成句.1. Tom s,Ann s,and birthdays,in,are,month,same,the ( . )2. days,are,in,there,January,many,how( ? )3. when,work,he,does,to,go( ? )
• The volunteers here seemed to appreciate the silent effort to recognize them.这 段英语怎么翻译
• 在萃取时,倒转漏斗用力振荡,为什么要不时旋开活塞放气呢,