Black and white must be______from each other, must be unable to communicate.

A. cut down
B. cut out
C. cut off
D. cut up

Parents, teachers in schools, work associates and communicators in or using the mass media are all capable of______our potential interests.

A. arousing
B. arising
C. rising
D. raising

Professor David Morton of the department is involved______animal research and is concerned______reducing animal suffering as much as possible.

A. to…with
B. in…in
C. with…in
D. in…with

______the contrary, the rapid growth in enrollment over the last 40 years has come to an end.

A.To
B.By
C.In
D.On

Chinese and Russian scientists have reposed that in places______stress is building up, the radon levels of the water build up too.

A. what
B. that
C. which
D. where