1．The discovery of oil brought many ________ to the town．

2．In the ________ of safety,please do not smoke．

3．One of the many ________ of foreign travel is learning how to cope with the unexpected．

4．She makes a big ________ from selling waste material to textile companies．

词汇辨析

1．The discovery of oil brought many ________ to the town．

2．In the ________ of safety, please do not smoke．

3．One of the many ________ of foreign travel is learning how to cope with the unexpected．

4．She makes a big ________ from selling waste material to textile companies．