正确答案: C
上腔静脉与右心耳交界处的心外膜深面
题目:窦房结位于 ( )
解析:C
查看原题 点击获取本科目所有试题
举一反三的答案和解析:
[单选题]脊休克产生的原因是 ( )
断面以下脊髓丧失高位中枢的易化调节
[单选题]第 30 题 为了坚持和加强党的领导,必须努力( )
改善党的领导
[单选题]Whose idea was it to go to the opera? I suggested________
going
解析:suggest后必须接动名词。A.go是动词原形;B.to go是不定式,两者都不可以用;C.that go,that后没有主语,也不符合。
[单选题]According to tile passage, language learners can reduce the number of their mistakes by ______.
comparing their speech with that of native speakers
解析: 53.答案为C 此考题为细节题。根据文章第1段第4句The language learner may observe
how native speakers express themselves,and how native expressions differ from the way the learner might say
them,可断定C正确。
[单选题]二尖瓣关闭不全的超声心动图特点不包括 ( )
M型超声心动图见二尖瓣城墙样改变