Mike was called to come to the party, bu_爱下问搜题

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问题选择题

Mike was called to come to the party, but he himself didn't _______ . [ ]

A. show around

B. show up

C. come out

D. put up

答案

答案：B

单项选择题

根据《环境影响评价技术导则-地面水环境》，以下属于持久性污染物充分混合段的数学预测模式是（）。

A.河流完全混合模式

B.二维稳态混合模式

C.S-P模式

D.弗-罗衰减模式

单项选择题

Which country is the world’s largest market for planes().

A. China.

B. Russia.

C. The US.

D. Britian.