11. If you have any doubts about your health, you’d better______ your doctor at once.
A
convince
B
consult
C
avoid
D
affect
convince说服；consult咨询；avoid避免；affect影响。故选项B符合答案。
根据上文if you have any doubts about your health,如果你对你的健康有任何疑问，最好马上向医生咨询。
常见动词含义记忆不准致错。