1。A Scientists saw the birth of this island "this island"就是Surtsey 2。C They want to learn about this young island Anew island is like a
CABBC其实你发一次这个已经可以把这篇做很多次了..
C A B A(如果算上mary的话就是B） C
1.C2.A3.B4.A5.C
