我国最早建立的高新技术开发试验区是[ ]
A.湖北武汉
B.广东深圳
C.上海浦东
D.北京中关村
答案:D
学校要用方砖铺教室地面,如果用面积是5平方分米的,需要360块.如果改用面积是6平方分米的,需要多少块?(列比例解)
“I in the dormitory, watching the live TV broadcast about the tsunami.” David told the policeman who had driven there to question him.
A.was staying
B.stay
C.stayed
D.am staying