纤维蛋白(原)降解产物的主要生理功能是抗凝作用及抑制血小板聚集作用。()
参考答案:对
I was greatly ______ at how he worked out the ______ problem in a creative way.
A.amazed; confused
B.amazing; confusing
C.amazed; confusing
D.amazing; confused
异相睡眠所特有的表现是()
A.脑电呈现慢波
B.生长激素分泌增加
C.交感神经系统活动减弱
D.骨骼肌肌紧张增强
E.眼球快速运动、躯体抽动等阵发性表现