1 . It is the prevention of disease ______its successful treatment that has led to the rapid increase of the world’s population.

A．rather than	B．other than
C．more than	D．better than

2 . Green vegetables      nutrients,       vitamin A and C.

A．include; contain	B．include; containing
C．contain; include	D．contain; including

3 . The little girl was _______to look at the _______tiger.

A．frightened , frightening

B．frightening , frightened,

C．frightened, frightened,

D．frightening , frightening