对下列组织检查时应保持高帧频的是()。
A.肝脏
B.肾脏
C.心脏
D.胰腺
E.甲状腺
参考答案:C
They usually _____________ TV in the evening. [ ]
A. watches
B. watch
C. are watching
D. watched
下列哪组腧穴被称为“四关”穴()
A.内关、外关
B.合谷、太冲
C.曲池、足三里
D.外关、阳陵泉
E.尺泽、委中