3~6个月时应进行的计划免疫制剂为：（）
A.卡介苗
B.麻疹疫苗
C.乙型脑炎疫苗
D.百日咳-白喉-破伤风混合疫苗
E.脊髓灰质炎疫苗
参考答案：D
He is looking for another job because he feels that nothing he does _______ his boss.
A．satisfies
B．serves
C．promises
D．supports
支撑线和压力线的作用是阻止或暂时阻止股价朝多个方向继续运动。( )
