近期食品安全恶性事件频频出现，“瘦肉精”事件尘埃未落，“染色馒头”“回炉面包”“牛肉膏”“催熟芒果”又接踵而来……食品安全问题再次敲响了警钟！

结合材料回答：

（1）生产、销售问题食品的行为侵犯了消费者的哪些权利？

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（2）面对严峻的食品安全形势，作为消费者掌握一定的食品安全知识是非常有必要的。当你购买食品时，应注意的基本事项有哪些？（至少从两个方面回答）

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根据句意，用括号中所给单词的适当形式填空。

1. He's not going to leave until his wife ________ (come) back. 

2. He runs ________ (fast) in our class. 

3. If you finish ________ (do) your homework, you can play football. 

4. Meimei is always the ________ (one) girl to come to school. 

5. My family feed many ________ (sheep) on the farm. 

6. I live on the twelfth floor in that ________ (build). 

7. Listen! Lucy is ________ (play) the guitar in her room.