What is not one of the tips for smart shopping?
A. Shop with a list
B. Shop when you are tired, hungry, or upset.
C. Set a budget
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What are not the tips for bargaining?
A. Find out what locals pay.
B. Start 50% lower than the first offer.
C. Don't walk away from an item if you love it.
影响血沉的因素有
A. 血浆球蛋白含量
B. 血浆纤维蛋白原含量
C. 血浆白蛋白含量
D. 血浆胆固醇的含量
E. 血浆卵磷脂含量
血小板的生理特性有
A. 粘附
B. 聚集
C. 释放
D. 收缩
E. 吸附
血小板的生理功能有
A. 参与凝血过程
B. 参与生理止血
C. 收缩血管
D. 参与纤溶活动
E. 维持血管内膜的完整生