（2分）用化学用语表示： （1）两个氯原子（2） 3个铁离子

-----What were you up to when she dropped in?

------I______ for a while and _____ some reading.

A．had played ; did

B．played; did

C．had played :was going to do

D．was playing; was going to do

I know this is not quite the right word， but I can’t be bothered to think of ______.

A．a better

B．a best

C．the better

D．the good

城市绿化植物种植宜选用适当规格苗木，做到近期效果与远期效果相结合。

李某持有厦门农行借记卡，到郑州农行存款2300元，他应该付出手续费（）元。

A、1

B、23

C、11.50

D、50

稻谷的分类