题目内容：

 

请用适当的词完成下面的短文, 并把所缺的单词填写在答题卡指定的位置上。每个空只能填写一个形式正确、意义相符的单词。

    Here is an interesting question. How 1. can an apple stay fresh in the fridge? Maybe just three or four weeks. But there 2. a new type of apples in the US. 3. can last（保持）for as long as one year!

    4. apple is called Cosmic Crisp（宇宙脆）. It still tastes sweet and juicy even after it has been put in the fridge for a year.

    The scientists in Washington State University studied 5. grew this new type of apple. It 6. them over 20 years to produce it. It is going to be on 7. this month. You can buy it in the supermarket of the US. Do you want to have a 8. on this new apple?