20130317 quiz 4 (13, 16, 17)Huxy 学员版(2)

A. contrast…did C. return…for

B. part…was D. addition… /

7. If the dance is a good physical exercise ___, the benefits___. A. as a rule…doubles C. as usual…emerges

B. as a whole…increases D. as well…multiply

8. ___ animals aren’t people, it is logical to make the inference that an effect found in rats may also ___ to humans.

A. Whatever…stick C. While…apply

B. Whether…employ D. Whoever…agree

9. Human studies have focused primarily ___ older adults and suggest that regular exercise can improve the speed with which the brain ___ information.

A. on …processes C. on…proceed

B. about… stores D. with…obtains

10. This boost in reaction time after exercise training may___ because declines ___ with getting old could actually stem from declines in physical condition.

A. happen…concerned C. arise…connected

B. occur… associated D. appear…provided

11. A professor of exercise science recently published an article reviewing the scientific ___ on activity’s effect on the brain.

A. situation

B. articles

C. condition

D. literature