Questions 14-23 ·Look at the ten statemen

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问题:

Questions 14-23


·Look at the ten statements for this part.
·You will hear a short interview with George Jones, executive director for Bread for the City a private nonprofit organization.
·Decide whetheryou think each statement is right(R), wrong(W) or not mentioned(NM).
·Mark your answers on the Answer Sheet.

The organization help people with very low incomes.

A. Right
B. Wrong C. Not Mentioned

考点:BFT考试(全国出国培训备选人员外语水平考试)BFT考试(全国出国培训备选人员外语水平考试)
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体积一定的绝热密闭容器中加入等物质的量的X、Y,进行如下可逆反应:X(g)+Y(g)⇌Z(g)+W(s)△H>0下列叙述正确的是(  )

A.若继续充入X,平衡向正反应方向移动,Y的转化率增大

B.若继续充入Z,平衡逆向移动,Z的体积分数减小

C.若移走部分W,平衡正向移动

D.平衡后移走X,上述反应的△H减小

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合同无效

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导致尿酸生成增多的原因是()

A.酶的缺陷

B.多基因遗传

C.白细胞

D.红细胞

E.单基因遗传

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反复出现心绞痛和晕厥()

A.二尖瓣关闭不全

B.二尖瓣狭窄

C.主动脉瓣狭窄

D.主动脉瓣关闭不全

E.三尖瓣关闭不全

题型:单项选择题

儿童卧室里的挂钟的底板是从一块长1.2米、宽0.6米的长方形薄铁片中剪下的一个最大的圆.求这个挂钟底板的面积.

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