肝素的主要作用是()
A.降脂
B.抗炎
C.抗血管内膜增生
D.抗凝
E.抑制血小板集聚
参考答案:D
采用胸外心脏挤压法抢救触电者时,掌根向下压()左右。
A.10~20mm
B.30~40mm
C.50~60mm
D.70~80mm
—()is her daughter —The girl on the right wearing blue jeans.
A. Who
B. What
C. Which
D. Where