1 . It is hoped that ________(nature) resources will be found on Mars in the near future. (用所给词的适当形式填空)

2 . She has a ________(nature) ability to understand the motives of others. (所给词的适当形式填空)

3 . This is ________ (nature) for many people. (所给词的适当形式填空)

4 . ________ (nature) food is good for our health. (所给词的适当形式填空)

5 . But how could the survivors believe it was______(nature).

6 . The same goes for________(nature) fibers;…（所给词的适当形式填空）

7 . As is known to all, the ________(nature) resources are limited. （所给词的适当形式填空）

8 . It is hoped that ________(nature) resources will be found on Mars. (所给词的适当形式填空）

9 . This proverb is saying we have to let things go in their ________ (nature) course. （所给词的适当形式填空）

10 . As ________ (nature) architects, the Pueblo Indians figured out exactly how thick the adobe walls needed to be to make the cycle work on most days. (所给词的适当形式填空)