—I've not finished with my dinner yet. —But our friends ______ for us. A. will wait B. wait C. have waited D. are waiting
I prefer studying English at home _________ the match. A. to watching B. to watch C. rather than watch D. rather than watchi
请从“清风”、“行云”、“流水”三个形象中任选两个，写一段话，寄寓情感，表达自己的感悟。要求至少使用两种修辞方法。（4分）
打点计时器的作用是____ ___，电火花计时器工作电源是____伏的____电源（填直流或交流），每隔__ __秒打一个点。
The jobs of the future have not yet been invented.__38._. By helping them develop classic skills that will serve them well no matter what the future holds. 1 Curiosity Your children need
图中的实线表示电场线，虚线表示只受电场力作用的带正电粒子的运动轨迹，粒子先经过M点，再经过N点，可以判定（ ） A．M点的电势大于N点的电
(6分) 图示为某同学在探究活动中设计的一种电子秤，已知电源的电动势为E，内阻不计，电阻分布均匀的可变电阻总长为L，总电阻为R，弹簧的劲度系
–I don’t know your brother. -Oh. The man _______came to see me yesterday is my brother. A．who B．whose C．where
