战后恢复阶段,建立了支撑后来整个世界经济体系的三大支柱,分别是( )
A.世界银行
B.亚太经合组织
C.关税与贸易总协定
D.国际货币基金组织
E.欧洲联盟
参考答案:A,C,D
试管凝集法检测军团菌时,凝集结果的判定,"+"现象为()
A.上清稍透明,菌体于管底呈伞状沉淀
B.上清几乎完全透明,管底有伞状沉淀
C.上清稍透明,管底有伞状沉淀
D.液体有勉强的透明度,管底有稍微沉淀
E.液体均匀浑浊,管底无沉淀
补全对话
A: Excuse me. 1 ?
B: Bank? Go down this road and turn right at the third crossing, then turn left at the second crossing.
You can find a Bank.
A: How far is it ?
B: About ten minutes' walk. 2
A: Take the bus ? 3
B: The No.10 Bus. Is there a bus stop near here?
A: 4 . I'm a new policeman, you can ask him.
B: Thank you all the same.
A: 5 .