I can . What about you?
A:swimming
B:swims
C:swam
D:swim
A、B、C、D为金属活动顺序表中常见的四种金属。已知:①A+BSO4=ASO4+B ②C+H2SO4=CSO4+H2↑ ③B+2DNO3=B(NO3)2+2D 请完成以下填空:
如图,已知点A(3,0),以A为圆心作⊙A与Y轴切于原点,与x轴的另一个交点为B,过B作⊙A的切线l.
—I played basketball in the park.
英汉互译。
(1)run it under water ____
(2)put your head down ____
(3)跌倒 ____
(4)晒伤____
(5)have problems doing sth.____
(6)be used to doing sth.____