保证准确率!
13.rose
14.Although
15.behaviour（英式）/ behavior（美式）
16.level
17.to protect
18.using
19.has taught,opened/was opened
20.(do) to help
21.has been a member
22.A something amazing 令人惊奇的某事
23.B neither 两者（即Monday和Tuesday）都不可以
24.have already realized the importance of
25.stop/prevent/keep,from blowing the earth/soil away
注：/ 表示可以任意选用其一.