即时练习
1.用at first, then, after that, finally填空。 first I had a bad cold last week. At _________, I had a running nose, but I did not take it After that seriously.Then _____ I began to cough. _________, Finally I was I had a fever and felt weak. ________, sent to hospital and had to lie in bed for three days.
4. On the contrary, …=By contrast, … 相反的，……
On the contrary, a few students, it seems, are still fooling around. 相反的, 少数学生似乎还在虚度光阴。
5. On the other hand, …另一方 面，…… The government should enforce laws strictly. On the other hand, the public should also develop the good habit of reducing pollution. 政府应严格执法, 另一
方面, 大众也应该培养减少污染的好习惯。
6. However, it is a pity that … 然而, 很可惜的是…… However, it is a pity that he should always cram at the eleventh hour.然而, 很可惜的是他总是临时抱佛脚。
