题目内容

宋大爷所患心绞痛是哪种类型（）

A. 稳定型心绞痛
B. 初发型心绞痛
C. 恶化型心绞痛
D. 变异型心绞痛

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硝酸甘油在心绞痛的急性发作时最常选用的给药途径是（）

A. 口服
B. 贴皮
C. 吸入
D. 舌下含服
E. 静脉注射

硝酸酯类抗心绞痛药具有松弛血管平滑肌的作用，是由于它能够减少释放NO

A. 对
B. 错

Often the clues to meaning lie in ________________ implication rather than in explicit statement.

A. minor
B. subtle
C. petty
D. small

After citing many facts and giving a number of statistical figures, he finally _________ his point.

A. arrived
B. reached to
C. drove home
D. hit on