Task 2

21. In most cases of cloud-to-ground lightning, the ground's surface__________

22. One form of lightning that is ball lightning. __________

23. Cloud lightning looks like a ribbon when its lighting channel__________

24. Although not fully understanding processes of lightning, man__________

25. Lightening can__________

A. occurs most infrequently

B. is shifted sideways by strong winds

C. strike twice or more in the same spot

D. is equipped with a good knowledge of various forms of lightning

E. is estimated at 20 million a year

F. is positively charged

自信的價值不言而喻，在我們面臨一個個挑戰時，正是因為擁有了自信，我們才擁有了最終的成功：請以The Value of Self-confidence為題寫一篇能夠體現自信價值的，150詞左右的英語短文。

The electric motors produced by Henry Manley's company are cheaper than those made in Japan.

• A、True
  
  

• B、False
  
  

• C、Not Given