北师大版八下物理第七章运动和力第三节重力课件 第三节 重力情境导入 观察下图所示的情景，跳水运动员、下落的苹果 […]
Monthly Archives: 5月 2021
北师大版八下物理第七章运动和力第一节力课件
第一节 力情境导入生活中我们经常用“力”…… 人用力推车手压弹簧人举杠铃人拉开弓 人踢球新课探究观察与思考 对下图所示的情景，你一定不会感到陌生。你能从中找出它们的共同特点吗？人推车 汽车拉拖车 手提箱子人压弹簧 磁铁吸引铁削 人 推 车 汽车 拉 拖车 手 提 箱子 人 压 弹簧 磁铁 吸引 铁削物体 物体作用一
2021中考英语真题专项练习：状语从句（含答案）
中考英语真题–状语从句1.(2020 山东滨州)8．—I think I am the shyest in my class. What should I do?—Be more active in class, ________ you can improve your ability to express yourself.A．so that B．unless C．or D．al
2021中考英语真题专项练习：疑问句（含答案）
中考英语真题–疑问句1.(2020 贵州黔东南州)33．—________did the rainstorm come, Mr. Liu?—While we ________ a chemistry lesson yesterday afternoon.A．When; have had B．When; were having C．While; are having D．While; have
2021中考英语真题专项练习：数词、主谓一致（含答案）
中考英语真题——数词、主谓一致单项选择1.(2020 贵州黔东南州)29．—Dear, how is your homework going?—Oh, mom, I’ve just finished ________ of it.A．second three B．two third C．second threes D．two thirds 2.(2020 山东滨州)3．—I like the
2021中考英语真题专项练习：情景交际（含答案）
中考英语真题–情景交际1.(2020 浙江温州)10．—The Great Wall runs about 21, 200 kilometres. —Wow! ________.A．It s OK B．Good idea C．That s amazing D．You are welcome 2.(2020 贵州铜仁)27.- My English is poor. Could you he
2021中考英语真题专项练习：名词（含答案）
中考英语真题–名词01填空1.(2020 江苏苏州)45．—I like to eat pizza and sweet food. I seldom have vegetables.—Your eating ________ are not so good. You need to change them. 2.(2020 吉林)2．July is the seventh______ of
2021中考英语真题专项练习：连词（含答案）
中考英语真题–连词01单项选择1.(2020 浙江温州)6．Little Mary says good night to her parents________ she goes to bed every day.A．if B．until C．before D．unless2.(2020 贵州铜仁)29. – Work hard,____ your dream will come true.-W
2021中考英语真题专项练习：介词（含答案）
中考英语真题——介词01单项选择1.(2020 贵州铜仁)26. – -How long have you had the cellphone, Kangkang?- -I’ve had it__two months. It helps me a lot.A. For B. since C. in D. on 2.(2020 贵州黔东南州)26．All of us helped t
2021中考英语真题专项练习：感叹句（含答案）
中考英语专项复习：中考真题系列—非谓语动词1.(2020 贵州黔东南州)34．—Chinese government has successfully stopped the virus from spreading in China. —________proud we Chinese feel！A．How B．How a C．What D．What a2.(2020 山东滨州)12．—The
