松树为什么不落叶

相关推荐

• he was the only of the boys who ___late for school 为什么空格填is不填was?
• 3道高考英语单选题 求详解The new idea ＿ first in Japan has been＿to other parts of the world.A carried out;brought out B having been carried out;brought aboutC carried out;brought over D having been carried out;brought in为什么不选DWould you please do me a favor to post the letter?＿＿＿＿＿＿＿＿＿＿＿＿A You are welcome. B It's my pleasure.C With pleasure. D No,I can't为什么不选BYou ＿ the burning sun and heavy rain if you want
• “一颗从小飘来的种子,却在我的心中扎下了深根”,一句中,“种子”是指什么?能“飘来”的东西应该很轻的,为什么能扎下深根,这样写不矛盾吗?
• We have two computers.Still we are going to have__one.Athe third.Ba third 为什么不选A
• 1.Mr Green often helps those students ____he thinks are not quick at their lessons.a.whom b.who c.when d.becausethose students 不是help的宾语吗?为什么不选a 2.The old man has two sons,____looks like him.a.all of them b.both of them c.each of them d.neither of them 先排除一下a和b,c 和d都可以用单数形式啊,为什么答案选d而不选c?3.____to see the film please raise the hands.a.Those who wants b,those who want c.Any one wants d.People want4.The reason ____being late for the meeting was _____his l
• 一道高中英语单选It is such a useful dictionary———— every boy and every girl————to buy.A.that,want B.which,wants C.as,wants D.so,want为什么选D不选B?好吧，是C。为什么不选B？？
• 小实验：不沸腾的水!将一只盛有水的小烧杯放在盛有水的大烧杯中,然后加热大烧杯里的水.通过传热,大烧杯里的水已经沸腾了,小烧杯里的水却并不沸腾.用温度计测量一下,大小烧杯的温度是相同的.无论加热多长时间,情况依然如此.请帮忙想一想：这是为什么呢?提问者：史可昕
• 黄河口湿地的成因是1渤海地区不断下沉,2河流的堆积作用?为什么? 黄河口湿地增长趋缓的原因为什么不黄河口湿地的成因是1渤海地区不断下沉,2河流的堆积作用?为什么?黄河口湿地增长趋缓的原因为什么不是渤海下沉速度增快?
• 为什么你说不我是因为你心情不好呢?怎么翻译成英语
• 问两个关于浮力的物理题,1.装有石块的小船浮在水面上时.所受浮力为F1,当把石块卸入水中后,石块所受浮力为F2,池底对石块的支持力为N,这时（ ）A.空船所收的浮力为F1-F2-N B.池底所受水的压力减小了NC.石块所受的重力等于F1-F2 D.船所排开水的体积减小了N+F2/ρ水g（请选择并加以分析）2.实心正方体木块（不吸水）漂浮在水面上,此时浸入水中的体积为600cm^3.（取g=10N/kg),求：（1）木块受到的浮力；（2）在木块上放置一个重4N的铁块,静止后木块上表面刚好与水面相平,木块的密度是多大?（写出步骤分析）对了，第一题选ABD 但我不知道为什么
• 一个60度的圆心角所对弧长30厘米,求这段弧圆所在周长?圆的半径为3厘米,则长为6.28厘米的弧所对的圆心角是多少度?两道题列出算式
• 一个环形运动场由一个长方形和两个半圆组成.已知长方形长50米宽40米求周长和面积