fall down /drop down有什么区别?

相关推荐

• 1、Hu Jiang is on the tree .He can't get down.2、He is sitting beside mother now.找出错误并改正,每句有一处错误还有一题How old are the twins' mother?
• 电子钟怎么调整时间?上面有UP、DOWN、MODE、C/F、SNOOZE、RESET键 我这个电子钟有温度计的= =
• ＿＿＿＿（弱的）buildings will fall down in an earthquake ,but strong ones may set up.填什么?
• 有like to do rather than doing这个句型吗?Some people like to travel around the world rather than settling down when they are young.like to do rather than do 还是 like to do rather than doing.如果是后者,为什么和prefer to do rather than do 不一样?
• We all helped him with his English so he didn't * with his study.*处应选哪个答案：A:fall off B.fall down C.fall behind D.fall over
• Please select a city or zipcode from the drop-down.
• The glass and bricks____(fall)down when they realized it was an earthquake.动词填空 答案是have fallen 为什么不是were falling
• Today is my birthday.This morning,I taked a walk.Now gradually into the winter,the leaves on thetrees fall down and drifting profusely and disordly.Branch was empty,feel a kind of pure and fresh feeling.Later,I wrote my homework at home,to the afternoon on the small classes.In the evening,I had a big dinner with my family and I had a small party at home.We all very happy.这篇文章有语法错误吗,请一一指点,错的单词也请纠正一下,
• 质子,中子分别是由哪几种夸克组成的?有正夸克反夸克吗？u 上夸克 up +2/3 0.004 d 下夸克 down -1/3 0.008 c 粲夸克 charm +2/3 1.5 s 奇夸克 strange -1/3 0.15 t 顶夸克 top +2/3 176 b 底夸克 bottom -1/3 4.7 哪个是正夸克？哪个是反夸克？
• drop down through your nose 翻译
• 直线的平行投影可能是什么图形
• 如图所示是风力测量仪的电路示意图．其电源电压U=3V，电路保护电阻R1=10Ω，均匀电阻丝的阻值为R2=10Ω，金属丝（电阻忽略不计）的上端固定在O点，下端系有一块塑料片A，当风从右向左吹