TOM’S VERY GOOD AT SCIENCE WHEN HIS BROTHER IS ABSOLUTELY HOPELESS...

5. Tom’s very good at science when his brother is absolutely hopeless .

a b c d

PART THREE : READING COMPREHENSION

A. Read the following passage. Choose the best answer from a, b, c or d .

With increasing development and use of computer technology, there is a new disease to worry about .

Computer “viruses “ programs designed to sabotage computers, are infecting computers in corporation

homes and universities. These viruses spread exponentially , much like biological contagion , and then

disrupt the affected systems. The virus secretly attaches itself to alter files. The damage is generally activated

by using the computer’s clock . Then , any program executed may be exposed to the virus including program

spread through telephone connections. Because of the increasing incidents of virus infiltration , businesses

and agencies are becoming wary of sharing soft wares . Security policies need to be increased as immunity

programs are being developed .