Now that taking exercise will build up your you should try to run in the morning.A. stre

问题补充：

Now that taking exercise will build up your , you should try to run in the morning.

A. strength

B. weakness

C. energy

D. balance

答案：

(答案→)A. strength

B. weakness

C. energy

D. balance

解析：名词辨析。A力气，体力，优点；B弱点；D能量，能源；D平衡；句意：既然锻炼能增强i的体力，那么早上你应该努力去跑步。