【简答题】hang on, take part in , side by side, pass on...to , It was...that, no matter what, every other year, make it possible1. Young people are expected to ______ our culture from generation _____ generat...
【单选题】酸性焊条因对工件上的铁锈、油等污物不敏感,焊接时产生的()少。
【单选题】6 1. Young people are sharing more information about themselves on social media sites now than they in the past. A) was B) are C) do D) did
【简答题】如图所示,两手指用力捏住铅笔,使它保持静止,则两手指所受压力__________,压强___________。
【单选题】酸性焊条因对工件上的铁锈、油等污物不敏感,焊接时产生的()少。
【简答题】如图所示,两手指用力捏住铅笔,使它保持静止,则两手指所受压力______ ,压强______ 。(填相等或不相等)
【单选题】如图 8-2 所示,两手指用力捏住铅笔,使它保持静止,下列说法中正确的是( )
A.
两手指受到的压力相同,左边手指受到的压强较大
B.
两手指受到的压强相同,左边手指受到的压力较大
C.
两手指受到的压力相同,右边手指受到的压强较大
D.
两手指受到的压强相同,右边手指受到的压力较大
【简答题】Young people now have more and more means to __ their friends.
【单选题】如图所示,两手用力捏住铅笔,使它保持静止,下列说法中正确的是
【单选题】如图所示,两手指用力捏住铅笔,使它保持静止,下列说法正确的是 [ ]
A.
两手指受到的压力相同,左边手指受到的压强较大
B.
两手指受到的压强相同,左边手指受到的压力较大
C.
两手指受到的压力相同,右边手指受到的压强较大
D.
两手指受到的压强相同,右边手指受到的压力较大