问题
单项选择题 A1型题
关于直流电的治疗作用,以下说法正确的是()。
A.全身治疗时,下行的起兴奋作用,上行的电流起镇静作用
B.对局部治疗而言,阴极周围组织兴奋性降低,阳极下兴奋性增高
C.阴极有脱水作用,可减轻组织水肿和渗出
D.阳极可治疗慢性炎症和久不愈合的溃疡
E.在较大直流电强度的直流电的作用下静脉血栓从阳极一侧松脱,向阴极一侧退缩,血管逐渐开放
答案
参考答案:E
关于直流电的治疗作用,以下说法正确的是()。
A.全身治疗时,下行的起兴奋作用,上行的电流起镇静作用
B.对局部治疗而言,阴极周围组织兴奋性降低,阳极下兴奋性增高
C.阴极有脱水作用,可减轻组织水肿和渗出
D.阳极可治疗慢性炎症和久不愈合的溃疡
E.在较大直流电强度的直流电的作用下静脉血栓从阳极一侧松脱,向阴极一侧退缩,血管逐渐开放
参考答案:E
Here is a report(成绩单) of the students’ English competition. Find the right answers to the following questions.
A. Group One B. Group Two C. Group Three 小题2:Group Two spoke as _____ as Group Four. A. clearly B. quickly C. freely 小题3:Group Two did worst in “______”. A. speak freely B. have good manners C. co-operate well 小题4:In answer correctly, Group Three got _____ more marks than Group One. A. 4 B. 5 C. 9 小题5:According to the report, which of the following is NOT true? A. Group Three is the winner of the competition. B. Group One did as well as Group Four in “Answer quickly”. C. All groups did best in “Speak loudly” of all the items. |