一级资质的房地产开发企业，注册资本不低于()万元。 A.100  B.800  C.

简述法理型统治的基本特征。

设N_A表示阿伏加德罗常数的数值，下列说法不正确的是

A．标况下，22.4LN₂和NH₃混合气体中原子间共有3N_A个共用电子对

B．3.0g甲醛和乙酸混合物中共含碳原子数为0.1N_A

C．在1L0.1mol/L的HCOOH溶液中，所含HCOO^－与HCOOH粒子数之和为0.1N_A

D．常温常压下的33.6L氯气与27g铝充分反应，转移电子数为3N_A

鼻咽癌病人（）

A.血酸性磷酸酶升高

B.血。酸性糖蛋白升高

C.血CEA升高

D.血AFP升高

E.血VCA-IgA抗体升高

Before he sank into unconsciousness, he ________ towards the window and managed to open it.

A．fought

B．struggled

C．walked

D．dragged

Mr. Jones, I am really pleased （） you. And I hope we will be able to see each other in not long time.

A. to meet

B. to have met

C. at meeting

D. having met