1.This island is a only by boat.
答案:accessible
2.We can’t cut down trees freely without the government’s p .
答案:permission
3.What’s the p of the students attending the lecture?
答案:percentage
4.This kind of stamp is d by a student who is studying art at our university.
答案:designed
5.We can’t sell tickets for the moment because of a computer b .
答案:breakdown
6.The (文件) are not accessible to ordinary employees.
答案:documents
7.The wealth of society is (创造) by the working people.
答案:created
8.Several people witnessed the attack,but no one leapt to her (防卫,保卫).
答案:defence
9.Water is the (来源) of life.
答案:source
