Ⅰ.语境填词
1．Our ship approached the ________(水道) to the dock.
2．An increase of five degrees would be a ________(灾难)，I would say.
3．He cannot support his family on his ________(收入)．
4．The number of people employed in ________(农业) has fallen in the last decade.
5．The eagle suddenly flew in the air and ________(使惊吓) me.
