问题 填空题

Questions 14-18


·Using the information in the text, complete each sentence 14-18, with a word or phrase from the list below.
·For each sentence (14-18), mark one letter (A-G) on the Answer Sheet.
·Do not mark any letter twice.
14. According to Dr. Score, lightning is caused by hail falling through ______.
15. The refrigerated rod served the same functions as ______.
16. Ice particles bouncing off hail falling through a cloud acquire ______.
17. In the paragraph four the word "duplicated" means ______.
18. According to S.E. Regnolds, there could be no lightning without ______.
  • A. copy
  • B. a positive charge
  • C. a negative charge
  • D. super cooled clouds
  • E. falling hail clouds
  • F. hail and super cooled clouds
  • G. moisture particles

答案

参考答案:A

解析: 单词duplicated出自于文章第4段第1句,它的意思就是“复制,复制品”。

单项选择题 A1型题
单项选择题