有效循环血量一般不依赖下列哪项
A.充足的血容量B.通畅的微循环C.有效的心排出量D.良好的周围血管张力E.正常的心功能
参考答案:B
根据中文注释及所给单词首字母,写出空缺处各单词的正确形式
小题1:France is a____________( 欧洲的 ) country。
小题2:The book provides ____________(有价值的) information on recent trends.
小题3:Though he was old , his mind ____________(仍然处于)active 。
小题4:After the explosion, the police did a lot of work to find some clues from
the ____________(目击者)
小题5:A ____________(溺水的)man will catch at straw.
小题6:He pushed against the rock with all his____________(力量)
小题7:The headmaster’s ____________ (回应) to our plan was encouraging..
小题8:A serious ____________(缺少) of availabe cash forced the closure of the company
小题9:Your are ____________ (流血 ) at the noise 。
小题10:The Queen is on a _________(私下的) visit to Scotland.
九针中,形如剑锋的针具是: ( )
A.铍针
B.锋针
C.圆针
D.圆利针
E.毫针