Section IV Writing

( 40 minutes )

You should write your responses to both parts on ANSWER SHEET 2.

Part A

66. Write a note to explain why you were absent from the night class.

Part B

67. For this part, you are required to write a composition based on the following table of The Brain and the Computer. Your composition should be no less than 150 words.

The Brain and the Compute

 
 Brain
 Computer
 
Size
 one tenth of a cubic foot
 hundreds of cubic feet of space
 
Electrical energy used
 25 watts of electrical power
 100,000 watts of electrical power
 
Structure of cells
 directly connected to many other cells
 unconnected cells like a cell of pigeonholes (鸽巢分类架)
 
Capacity
 between 10 billion and 100 billion items of information
 a few billion items of immediately accessible information, nothinking capacity