阿摩線上測驗
43. When were pulse rates taken?
(A) After each exercise period.
(B) Every day.
(C) After the step-tests.
(D) After and before the step-tests.
(E) Every time the ratio of active riding was increased.
答案：登入後查看
統計： A(24), B(6), C(228), D(38), E(2) #1950095
統計： A(24), B(6), C(228), D(38), E(2) #1950095
