题目内容

Fill in the blanks with what you hear from the video clip.Reasons to get together with the familyYoung man:The strongest, happiest moments that I’ve ever sought in my life are when I'm with my 1)_________ and when I’m with my 2) ___________.Young woman:It's really good to 3) ____________ together and reconnect. If we ever need anything, we are always there 4) ________________.Old woman:If they are happy, if they have problems, we all 5) __________ it together. We all 6)__________ together.Old man:Successful marriages and families are established and maintained on principles of 7)_________, 8) _________, compassion, work and wholesome recreational activities.

查看答案
更多问题

Form compound nouns by matching the nouns in Column A with the nouns in Column B.

Complete the sentences with the compound nouns you have just formed. Change the form where necessary.

例3一质点具有恒定加速度a=8i+4j(SI),在t=0时,其速度为零,位置矢量r0=8i.则在任意时刻其速度为__________,位置矢量为________________,该质点在Oxy平面上的轨迹方程为_________________。

1-22 质点在Oxy平面内运动,其运动方程为 r = 2.0ti + (19. 0-2.0t2 )j, 式r中r的单位为m,t的单位为s. 求: (I)质点的轨迹方程; (2)在t1 =1.0s到t2 = 2. 0 s时间内的平均速度; (3) t 1 = l.0 s时的速度及切向和法向加速度; (4) t = l.0s时质点所在处轨道的曲率半径ρ·

答案查题题库