_______ is causing problems not only for poor, undeveloped countries, but also for industrialized and developed nations.
A.Petroleum
B.Overpopulation
C.Environment
D.Family planning

The population has ______ from 1.2 million to 1.8 million.
A.increased
B.risen
C.grown
D.rose

If we ______ in a big city, we could easily get access to the Internet.
A.lived
B.had lived
C.has lived
D.live

Choose the word that has main stress placed differently from the others.
A.policy
B.government
C.explosion
D.implement

Choose the word that has main stress placed differently from the others.
A.control
B.expert
C.method
D.figure

Choose the word that has main stress placed differently from the others.
A.develop
B.insurance
C.punishment
D.religion

Choose the word that has main stress placed differently from the others.
A.journalist
B.solution
C.improvement
D.expensive

Choose the word that has main stress placed differently from the others.
A.million
B.explosion
C.family
D.accident

Choose the best answer to complete the following sentences.Water ______ at 0oC.
A.froze
B.frozen
C.freezes
D.will freeze

If you _____ carefully, the accident would have happened.
A.drive
B.will drive
C.had driven
D.drove