Task 1

16.Paragraph       ①      

17.Paragraph      ③        

18.Paragraph      ④    

19.Paragraph      ⑥                

20.Paragraph      ⑦     

A. Soot's Role in Climate Changes Above Oceans and Land

B. Observations of Warming in the Northern Hemisphere

C. Explanation of Increased Warming Effect Caused by Soot

D. Black Soot in Snow and Icy Areas Leading to Climate Change

E. Black Soot Contributing to Global Warming

F. Greenhouse Gases as the Main Factor of Global Warming

Which of the following is NOT mentioned as a common element of theater and ritual?

• A、 Dance.
  
  

• B、 Costumes. 
  
  

• C、 Music.
  
  

• D、 Magic.
  
  

假如你是Jerry,你的好朋友John 考上了耶鲁大学，请根据以下内容要点给他写一封150 词左右的英文祝贺信：

Main content:

1) congratulations;

2) the differences between college life and high school life;

3) your suggestions on a good college life.