Ordinary people can make a ___________（different) in the world.

means what a linguistic form refers to in the real, physical world; it deals with the relationship between the linguistic element and the non-linguistic world of experience.

For every three Canadians in 1945, there were over five in 1966. In September 1966 Canada's population passed the 20 million mark. Most of this surging growth came from natural increase. The word "surging" is closest in meaning to which of following?

（ ） allows people in different locations to hold interactive meetings.

Can you give me some ____________ (inform) about the sports meet?

I like playing football. It's great _______________.(fun)

It’s very ____________ (danger) to walk alone in that area at night.

I eat a lot of fruit and vegetables because I want to be __________ （health） .