Ⅰ．单词拼写
1．Universities call all the students to learn to __recycle__(回收利用) all the waste paper.
2．To avoid knee pain, you can run on soft surfaces, do exercises to strengthen your leg __muscles__(肌肉), avoid hills and get good running shoes.
3．Many people __lack__(缺乏) the awareness of wildlife protection, resulting in hunting the animals illegally.
4．There is a lot of rubbish __floating__(漂浮) on the surface of the river.
5．The topic you choose should not be too narrow.__Otherwise__(否则), it is very difficult to accumulate (积累)stamps around the topic.
6．The price of the house is so high that it is well __beyond__(超出) our range.
7．To catch up with the times, we must keep ourselves informed of the __current__(目前的) news.
8．The money to build the power station ought to have been __sufficient__(足够的)．
9．They __argued__(辩论) for two days on the end but didn’t reach any agreement.
10．He is a __shallow__(肤浅的) thinker whose opinions aren’t worth much.
