波力海苔是最早获得“绿色食品”认证的海苔类休闲食品。

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问题判断题

答案

参考答案：对

填空题

用所给单词的适当形式填空.

1. Do you think there will be more pollution or__________ (little) pollution in 50 years?

2. I think Brazil_________( win) the World Cup year.

3. Jack__________( write) a letter to his pen pal in France last Monday.

4. The doctor tells her father she will be _________( well) next month than she is now.

5. There__________ ( be) a big football match between England and Germany on TV tonight.

问答题

简述肿瘤转移的基本步骤。