基础题
原文:The study shows that regular exercise
can reduce stress levels.
选项:
A. Regular exercise
will reduce stress levels.
B. Regular exercise
may reduce stress levels.
C. Stress levels
cannot be reduced by exercise.
D. Exercise has
no effect on stress.
变式
原文:Although the new policy
aims to improve efficiency, critics argue it
may increase costs.
选项:
A. The new policy
has already increased costs.
B. The new policy
aims to increase costs.
C. Critics believe the policy
might raise costs.
D. The policy
guarantees both efficiency and low costs.