腹水形成因素（）
A.白蛋白合成减少
B.胆固醇合成减少
C.雌激素过多
D.内毒素血症
E.血氨增高
参考答案：A
热管道保温层外部温度应不高于室温的（）。
A､30℃
B､25℃
C､50℃
Some students ______ admitting they were ______ computer games.[ ]
A. resisted; hooked on
B. accepted; addicted to
C. distributed; involved in
D. refused; devoted to
