我国全民所有制企业原有的经营机制必须转换,其中的动力机制应从()
A.主动型向被动型转换
B.非利益型向利益型转换
C.分散型向集中型转换
D.内部激励型向外力推动型转换
参考答案:B
治疗变异型心绞痛的最佳药物是
A.普萘洛尔
B.硝酸甘油
C.硝酸异山梨酯
D.硝苯地平
E.阿替洛尔
—He made few mistakes in his speech, ______________?
—____________, his perform is wonderful.
A.didn’t he; Yes, he did
B.did he; No, he didn’t
C.was he; No, he isn’t
D.wasn’t he; Yes, he is