带领游客参观游览是导游服务工作的中心环节。 ( )
参考答案
参考解析
【单选题】
How should the teacher deal with students' writing errors?
Teachers should limit students to take risks to use new vocabulary and structures.
Teachers should often show negative attitude towards students' writing errors.
Teachers should make corrections for all the writing errors of students.
Teachers should underline the errors and leave them for students to correct themselves.
【单选题】
患者，女，55岁。经皮冠状动脉介入治疗（PCI）术后一直服用他汀类药物，但是低密度脂蛋白胆固醇（LDL-C）未达标，医师增加了他汀类药物的剂量后，患者的ALT升至120U/L，故医师拟恢复原他汀药物的剂量，并联用其他调血脂药，该患者宜联用的药物是（ ）。
依折麦布
非诺贝特
辛伐他汀
氟伐他汀
瑞舒伐他汀
