1.Most air pollution is caused by the burning of ________ like
coal，gas and oil.
A．fuels B．articles C．goods D．products
2．It was a bad year for films，in terms of both ________ and quality.
A．tendency B．presentation C．quantity D．existence
3．Larger babies ________ to score higher on IQ tests when they grow up.
A．advocate B．appeal C．tend D．attempt
