This is a book,It's an English book.What's this?急.

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• 阅读选择：We have a nice classroom.The windows are big and the wals are white.There's a bigblackboard on the front wall.A big desk is near it.It is for our teachers.There's a map of China and some other pictures on the wall.There are forty small desks and chairs in the room.They are for students.There are sixteen girls and twenty-four boys in our class.There are some flowers on the teacher's desk.They're for our English teacher.She is  a good teacher and w
• 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
• 根据括号里的提示填出横线处的单词Li Ming wants _____(study)English in the U.S.A
• 采纳——Your book,Tommy?——No,Mom,it’s my采纳——Your book,Tommy?——No,Mom,it’s my friend’s.——Remember to return it to ____ name is on it.A、what B、which C、whose D、whoseverThank you for sending us ____ fresh vegetables of many kinds.You have done us ____ a great service.A、不填；a B、the；a C、不填；不填 D、the；不填
• A:Your book,Tommy?B:No,Mom,it's my friend's A:Rememeber to return it to------ name is on itA what B which C whose D whosever
• 帮替我解决英语作业.急what's the mother doing?she's ________（给.穿衣）Tommy.it's nine o'clock in the moring.________Jim__________(have)an English class.look!Tom with his friend ____(piay)football there.they are busy with the new house_______-(decorate)which class has______-(many)boys ,class 5 or class 6怎么两个回答都两样啊。
• 急….急……..急……….一个质量为2Kg的物体,在5个共点力作用下保持平衡,现同时撤去大小分别为15N和10N的两个力,其余的力保持不变,此时该物体的加速度为---------（要有完整的解题步骤）设从高空落下的石块,受到的空气阻力与他的速度大小成正比,当下落的速度变为10m/s时,其加速度为6m/s2,当它接近地面是做匀速运动,则石做匀速运动时的速度为多少?（要有完整的解题步骤）
• A:Your book,Tommy?B:No,Mom,it's my friend's A:Rememeber to return it toA what B which C whose D whosever
• 填空 I’m looking for the children’s shirts.Which ones are ___________ I have found my book.Have you found ___________ yet?
• 用倾角Q=30度为的传送G=50N的物体,物体相对传送带静止,求下述情况的摩擦力（1）传送带静止（2）传送带以V=5m/s的速度匀速向上运动（3）传送带以V=5m/s的速度匀速向下运动（4）传送带以a=2m/s*的加速度向上运动（5）传送带以a=2m/s*的加速度向下运动急.急.急.
• Is this the book tom borrowed from the library yesterday A what B whose C who D that 那个正确
• .This is his english book.he 【f--------- 】it yester day 根据字母填空