Ⅰ.单词拼写
1．The dam b________under the weight of water.
2．This flood will be the________(祸根)of the harvest.
3．This would cause great hardship and s________.
4．I hope I didn't i________her feelings.
5．The heavy rain d________all hope of a picnic.
6．You get an electric s________if you touch a live wire.
