假设你的美国朋友Mike要去你的家乡旅游，请给他写一封电子邮件，告诉他:

1. 近期的天气情况；

2. 需要注意的事项；

3. 你期待与他见面。

请以 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
  
  

21.Singapore is a small state in the southeast of Asia           

22.According to the constitution of Singapore, the president of the state is selected           

23.Compared with people in other Asian countries, the Singapore           

24.Several technical colleges, and a teachers college are part of           

25.Though small, Singapore has an industry of its own and can           

A.live a better life

B.made up of more than 50 islands

C.Higher education institute

D.not by the Parliament, but by the people

E.produce goods of various kinds

F.have a big population