治疗胃肠道功能性疾病的关键是()
A.中药治疗
B.支持治疗
C.抗抑郁治疗
D.解决思想矛盾,调整脏器功能
E.针灸、理疗
参考答案:D
We should________the lights when we leave our classroom because we must save electricity. [ ]
A. switch on
B. switch over
C. switch off
D. switch through
缓蚀剂加入量过小,也可以有效地起到预防腐蚀的作用。()