1．We should try our best to reduce the negative (负面的) effect on young generation.
2．His initial (最初的) reaction was quite beyond my expectation.
3．Only after you have attained (获得) enough basic skills can you produce creative works of art.
4．The speaker spent several hours polishing (润色) her lecture.
5．Nowadays, more and more people take up yoga exercises to improve their general fitness (健康)．
6．Magicians have to practise their routine, which is the only way to guarantee (保证) a successful performance.
7．Our bodies are strengthened (增强) by taking exercise. Our minds are developed by learning.
8．Whatever happens, we must take a positive (积极的) attitude towards life.
