Ⅰ.单句语法填空
1.When we make an important decision, we must first consider its consequences (consequence).
2.The boy guessed the meanings of the new words without referring (refer) to the dictionary.
3.Many houses were destroyed in the hurricane which struck the area last week. As a consequence, the victims had to live in the temporary shelters offered by the Red Cross.
4.The paper can't catch fire by itself. Someone must have_set (set) fire to it.
5.Water is of vital importance and can transform a desert into a garden.
6.He is very generous, kindhearted and ready to help others. In short, he is a man of high quality.