Where didi you come _____ these oranges? They are not easy to come ________ at this time of the year.
A. across, by
B. by, across
C. into, up
D. upon, about
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We were _____ a great dilemma. But then WEi Ming came ______ a brilliant idea.
A. facing to, up
B. faced with, up with
C. thrown into, across
D. confronted with, to
可出现血沉加快的是
A. 真性红细胞增多症
B. 心绞痛
C. 多发性骨髓瘤
D. 良性肿瘤
E. 遗传性球形红细胞增多症
关于血沉，不正确的是
A. 组织损伤可致血沉加快
B. 动脉粥样硬化病人可见血沉加快
C. 血浆中磷脂酰胆碱增多可致血沉加快
D. 恶性肿瘤病人可见血沉加快
E. 血浆中胆固醇增多可致血沉加快
不使血沉增快的是
A. 急性时相蛋白
B. 纤维蛋白原
C. 球蛋白
D. 磷脂酰胆碱
E. 胆固醇
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