first and last与first or last辨析

brianleeeee

【辨析】
first and last：

1）主要地，总的说来。常位于句首或句中。
2）一直，始终。常位于句中。
first or last：迟早，早晚。常位于句末。在现代英语中常用sooner or later取代之。
【测试】
1. He joined the army because ______（first and last/first or last）he wanted to help his country.
2. If you don’t take good care of yourself you will fall ill ______（first and last/first or last）.
3. His father worked ______（first and last/first or last）in the army.
4. She will know it ______（first and last/first or last）.
5. ______（First and last/First or last），he came here to look for a job.
【解答】
1. first and last，作“主要地”解。
2. first or last，作“迟早”解。
3. first and last，作“一直”解。
4. first or last。
5. First and last。