1、B 2、B 3、B 4、A 5、B 6、D 7、B 8、B 9、A 10、C 11、B 12、D 13、C 14、D
visit the fire station visit the museum climb the mountain go fishing go to the zoo ride the horse 1.spent 2.asked 3.cooked 4.read 5,saw 6.wrote 7.enjoyed 8.sat 9.looked 10.wanted 11.talked 12.had
9*9*2+9*4*(x-3) 长方体 展开图
2500瓶啊。=500+500*4=2500
44º33′ 137º24′31″