—That's good news for us. We have too much work to do after school.
A:give a hand to
B:give attention to
C:take part in
我国泰山主峰海拔1532米,世界最高峰珠穆朗玛峰海拔8848米,二者相对高度为( )
This ____ my friend.
①昼夜交替
②不同经线地方时不同
③正午太阳高度的变化
④四季更替
⑤水平运动的物体其运动方向会产生一定的偏转(北半球向右偏转,南半球向左偏转,赤道上不偏)
Bob and his ____ (old) brother are doing their homework.