“五十六个民族,五十六枝花,五十六个兄弟姐妹是一家……”这首歌唱出了各族人民的心声。我国人口最多的少数民族主要聚居的省区是( )
A:广西
B:广东
C:内蒙古
D:新疆
too, lost, red, first, English, eraser, find, number, must, last
Hi, I'm Jenny Brown. Jenny is my ____ name. Brown is my ____ name. I'm an ____ girl. This morning I ____ my pencil box in the library. I ____ find it. My pencil box is ____. In it, you can see an ____ and a set of keys. If you ____ my pencil box, please call me. My telephone ____ is 765-0652. You can e-mail me, ____. My e-mail address(地址) is jenny 1256@ 126.com. Thanks!
如图②是圆柱被一个平面斜切后得到的几何体,请类比梯形面积公式的推导方法(如图①),推导图②几何体的体积为____.(结果保留π)
如图 在4×4方格中作以AB为一边的Rt△ABC,要求点C也在格点上,这样的Rt△能作出( )个
—Hi, Bob! What's going on over there?
—Oh, Tom and Dick are playing chess, with a crowd of students watching them.
小芳家夏天常用的“电热驱蚊器”是利用电流的 ____效应工作的,发热元件是一个阻值为1000Ω的电阻,接在照明电路中通电100s产生的热量为 ____ J.