3、He should pitch his talk at a suitable level for the age group.他应该使他的谈话难度适合于该年龄组的水平。4、Rather than flogging one idea to death, they should be a light-hearted pop group.他们不应该就一种想法死命渲染,而应成为一支轻松愉快的流行乐队。5、Group committees who...
答案是:A group of students are volunteering to clean the city park ☞♧手工翻译☀尊重劳动☀欢迎提问☀感谢采纳♧☜
A group of people went camping.The internet function on this phone has been disabled.There is no difference between those two tests.Imagine if you had a million dollars.The normal weather of summer is quite hot in this region.There are many difficulties in completing this task.We ...
we are in the same group.
液体内部p=ρgh 功率(机械) 定义式P=W/t 汽车功率P=Fv 功(机械) 定义式W=Fs 总功W总=W有用+W额 杠杆平衡条件 F1l1=F2l2 力 同方向F合=F1+F2 反方向F合=F1-F2 水平桌面上受到物体的压力F=G总 液体、气体的压力F=pS 机械效率 定义式η=W有用/W总 提升重物η=Gh/Fs 水平移动重物...