变异型心绞痛宜选用（）
A.普萘洛尔
B.硝苯地平
C.依那普利
D.非诺贝特
E.硝酸甘油
参考答案：B
解析：本题考查抗心绞痛药物的作用特点。硝酸酯类作为缓解心绞痛常用药，适用于各种类型心绞痛的治疗。既可用于缓解急性发作，又能作为预防用药，也可用作诊断性治疗。硝酸甘油有舌下含片、静脉、口腔喷剂和透皮贴片等多种剂型供临床选用。硝苯地平属于钙通道阻滞剂，对冠状动脉痉挛所致的变异型心绞痛最为有效，也可用于稳定型和不稳定型心绞痛，可降低变异型心绞痛致死率和心肌梗死的发生率。
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| Have you ever planted a few trees on Tree Planting Day? Each year, millions of people, both 1 , plant a lot of trees. But this may not be the best way to make your home a 2 place. Last week we visited a park in Hebei. We were 3 to find most of the trees had been burned. The workers told us that the trees 4 soon after they were planted because they weren't watered well enough. 5 workers burned them and cleaned the place for 6 trees to be planted this year. 7 a card found in one of the dead trees, a student wrote:"I hope this tree will grow up with me to 8 the backbone (栋梁) of our country." The workers said that the survival (存活) of the trees was really more important than 9 trees were planted. Some people in Beijing now have a new idea that they can donate (损赠) some money and let professionals (专业人士) plant and 10 the trees. | ||||
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