根据下列各句句意及所给单词的汉语提示，写出所缺单词的正确形式。

1.The _______(应用）of the new technology has greatly increased the production.

2.We will buy some flowers to          (代替) the old furniture in the room.

3.The work cost us nothing; it was all done by __________.（志愿者）

4.The text has been _________（简化）so that children can read easily .

5.Scientists in some countries have done a lot of work to _____(探索）the moon.

6.The policeman ________（示意）children to cross the road when the traffic lights turned green.

7.Few birds managed to  ________（幸存）the winter last year.

8.The newspaper has lots of  ___________(广告）which help us to find a good job

9.He made a  __________ (定期的) visit to his parents.

10.She didn’t like the plan, but______,（就个人而言）I see nothing wrong with it.