具有益气补血，健脾养心功用的方剂是（）
A.四物汤
B.归脾汤
C.当归补血汤
D.炙甘草汤
E.逍遥散
参考答案：B
根据句意、首字母提示完成单词。
1．I h_________ ever eat junk food, because it's unhealthy food.
2．Maria e__________ every day, so she is in good health.
3．It's _______(hot) in summer in Beijing than that in Dalian.
4．Mary is t_________. Please bring her some water.
5．I can't go to the movies this Saturday. I have to have my piano l________.
在汽车防滑控制系统中，发动机副节气门是由（）而进行驱动的.
A.可逆转电机
B.旋转滑阀
C.驾驶员操纵
D.步进电机
