假設你的美國朋友Mike要去你的家鄉旅游，請給他寫一封電子郵件，告訴他:

1. 近期的天氣情況；

2. 需要注意的事項；

3. 你期待與他見面。

請以 Like 署名

Holonyak's colleagues thought he would fail in his research on LEDs at the time when he started it.

• A、True
  
  

• B、False
  
  

• C、Not Given
  
  

The main purpose of the passage is to___________ 

• A、discuss the advantages and disadvantages of skyscrapers
  
  

• B、compare skyscrapers with other modern structures
  
  

• C、describe skyscrapers and their effect on the environment
  
  

• D、illustrate various architectural designs of skyscrapers