可引起血清铁增高的情况有()
A.缺铁性贫血
B.消化性溃疡
C.恶性肿瘤
D.月经过多
E.铁粒幼细胞性贫血
参考答案:E
The knowledge that I had caused him to lose his job made me bitterly ______. [ ]
A. desperate
B. innocent
C. ashamed
D. immoral
CO2在甲醇中的溶解度与压力的关系()
A.随压力的降低而增大
B.随压力升高而增大
C.与压力无关