Why does the author of the passage mention the report of the President’s Science Advisory Committee (lines 14-15) ?

He is the man ______ car was stolen last week.

Points will be added to the Entrance Examination scores for those who hold an excellent high school__________.

The greater the demand, _______ the price.

It is necessary that he _________ of his old parents.

_______ yet?

More and more people were moving to Glasgow as they found it _________ to earn a living there.

Lack of sleep over the last few months is finally _________Jane.

Sex before _______ is strongly disapproved in some cultures.

You aren’t allowed to drive your car in the city centre at _________ rush hour because there is too much traffic then.

Last week, our class went to Ha Long Bay for a picnic, _______ made us very happy then.

In China’s largest psychiatric facility, there is a serious lack of resources but the staffs try hard to _________ this in their treatment of the patients.

Most young people nowadays believe in ___________ marriage – first come love, then comes marriage.

It gets ______ to understand what the professor has explained

He asked me _______.

They said they had come back___________.