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 Computer
| |
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, no thinking capacity |
