波长550nm的单色光垂直

地壳中含量最多的金属元素与空气中含量占第二位的非金属形成化合物甲A．甲的化学式为AlO B 甲的式量为102克C．甲中金属元素与非金属元素质量比为2：3D．甲中金属元素的质量分数约为52.9% The apple doesn,t fall far from the tree?The apple doesn,t fall far from the tree? I from a big apple tree in the orchard 中间填pick it pick it up[? apple tree 的歌词 The apple _____(掉下)from the tree.怎么填The apple d _____(掉下)from the tree.怎么填 已知函数y=x平方+ax+b,A=（x/x平方+ax+b=2x）=（2）,试求a、b的值及二次函数y的解析式、、、 on the tree,there are two red apple. The apple are _(on/in)the tree. Tere are some apple on the tree 判断这句子是否正确,不正确的请改正 money money money I love you ,I want to have you I have e_____ money to buy a bike If I have much money,I want to () my parents () a big houseA provide;for B provise;withC offer;for D offer;with I have to stop collecting stamps because I have no enough money对because I have no enough money提问 on the tree 和 in the tree两者用法是什么?举例说明! in the tree 和on the tree今天看到百度上对于这两者之间的说法都不一样,1、有的说in 是并非树上的东西,如bird),on指树上长的东西( 如 leaf,apples).2、有的说in .凡是从植物身上长出来的东西都是用IN, on \ in the tree there are many pears ___ the tree. 苹果在树上是in the tree,还是on the tree? 求英语短剧剧本：The pocket money求旁白的中文翻译Scene1（At Salesman’s home） N: In a dark dirty house, there lived a small, dirty salesman. He always makes unhealthy candies and sells them to the students. He has a lot of money no Tony __ to get the red apple on the tree,but he couldn't1 started2 decided3 helped4 tried Tony is ______(试图)to get the red apple on the tree,but he is too short. he has to earn more money to ____the house.a.pay for b.pay to He ____ us dollars yet so he has to go to the bank to change money.A won't changeB has't changedC didn't changeD doesn't change麻烦帮忙选下正确答案,当然,不要找个色子掷哦.再麻烦说下为什么 but he has never managed to get enough money to have the church clock repaired.中为什么have..repaired中可以插the church clock. he works hard because he has to _____money.1.take 2.get 3.make 4.have 我女友叫陈雅琴,求一首想和她一起生活的诗,要有她名字!谢谢! 牛津英语8A Unit1-3 测试 牛津英语8A Unit11、 The environment in our city is be coming________.A.much nice and much niceB.more nice and more niceC.more and more niceD.nicer and nicer参考答案是D,请问是为什么?2、He looks ______than he really isA.more youngB.mor show to造句 show怎么造句 造句：1、on sale 2、have a look at 3、the price of 4、show sb sth 5、show sth to sb 6、wish sb sth火速呀各举2个， 急需牛津英语7A的所有单元词组汇总.越详细越好,最好是每个单元分开来的,一定要有中文,最好的是有例句,如果您的答案令本人非常满意,可追加5-80分. 牛津英语7A第6单元reading中文翻译