1._______________（通过体育锻炼），we can always stay healthy.

2.According to the scientific research ,_____________ （听音乐能使我们放松）.Is this really true?

3.______________（我们绝对不能）ignore the value of knowledge.

4.As is known to all, ______________（假冒伪劣商品）harm the interests of consumers.

5.Faced with failure, some people can stand up to it, _____________ （从失败中汲取教训）and try hard to fulfill what they are determined to do.

keys:

1. By taking exercises

2.listening to music enables us to feel relaxed

3. On no account can we

4. fake and inferior commodities

5. draw useful lessons from it