A.30 | B.50 | C.100 | D.130 |
A.Water | B.Wind |
C.The sun | D.The kite |
A.在……范围内变动 | B.按……顺序排列 |
C.向……方向延伸 | D.根据……归类 |
A.its price is getting lower |
B.more and more people are enjoying its excitement. |
C.its equipment progress makes it easier and safer |
D.all people can learn and take part in it |
A.the way of operating kitesurfing |
B.the progress of kitesurfing equimpmet |
C.the history of kitesurfing in China |
D.the development of kitesurfing |