下列哪项不能提示恶性嗜铬细胞瘤的诊断（）A、肿瘤大于5cm B、外形不规则 C、T2

Which of the following statements about the demand and supply of money is most accurate People who are:（）

A. buying bonds to reduce their money balances will increase the demand for bonds with an associated increase in interest rates.

B. selling bonds to increase their money balances will reduce the demand for bonds with an associated reduction in interest rates.

C. holding money when interest rates are higher will try to reduce their money balances and, as a result, the demand for money decreases.

氟含量排列正确的是（）。

A.水果>调味剂

B.骨骼>表皮>腺体

C.水果>空气>土壤

D.动物>植物>空气

E.茶叶>海鱼

如何理解全球化过程对我国现代化的意义？

试述影响还原染料还原速度的主要因素及其影响？

男，5岁。腹泻2天，每天10次左右，稀便，伴发热。第2天感腹痛，大便混有脓血伴里急后重，以下哪项诊断可能性最小（）

A.细菌性痢疾

B.阿米巴痢疾

C.侵袭性大肠杆菌肠炎

D.成人轮状病毒肠炎

E.空肠弯曲菌肠炎