A(n) ______ is a destructive program that fills a computer system with self-replicating information，clogging the system so that its operations are slowed or stopped．

Is it true __ the snow stops, it will be as hot as in the summer here?

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

It is generally considered unwise to give a child___( )_____ he or she wants.

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

True friendship is like sound health, the value ______ is seldom known until it is lost .

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

Developed countries, like the US, have moved the some manufactures to the developing countries. Is it true or not? （）

I think you should end it ______ it is too late, or you will be sorry for it.

Motor transport has the biggest market share in the paragraph. Is it true or not （）

It is the ability to do the job ______ matters not where you graduate from or what you are.

By saying “While it’s true that ..., be they scientific or artistic” (Lines 1-3, Para.5), the author means that _____.