船首结构需加强的原因是:()
①、首部受波浪、冰块的冲击;②、首部要受水阻力作用;③、抗碰撞
A.②、③
B.①、②
C.①、②、③
D.①、③
参考答案:C
People who eat a balanced diet should be ________ than those who only eat hamburgers.
A.clever
B.cleverer
C.healthy
D.healthier
治疗春温肾阴耗损病证的方剂是:().
A.复脉汤
B.救逆汤
C.加减复脉汤
D.三甲复脉汤