39;的作文范文
文章分類：散文隨筆
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篇一：作文范文
1. refers2. needed 3. in which/ where4. less5. It 6. strength7. practicable
8. neither9. to 10. suggested
11-15 BDACC16-20 ACBDA21-25 BABDA 26-30 DBCCB
31-35 BAABA 36-39 CBDD 40-42 BDC43-46 CCAB47-50 DDAB
51. Destroying/ Damaging
52. Damaging effects of tornadoes.
53. They can help scientists to determine whether a storm is going to produce a tornado.
54. Because people can learn about the tornado warning on the radio.
