题目内容

狭錾在回火时，錾子刃口部分呈( )色时，将錾子再次放入水中冷却。

A. 褐红
B. 紫
C. 蓝

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Since everyone would like to find an apartment near the University, there are very few ______ apartments in the are

A. freeB. vacantC. emptyD. reserved

According to the passage, which of the following is NOT the cause of dropping temperatures

A. Volcanic eruptions.
B. Mountain torrents.
Crop and livestock production.
D. The floods after the storm.

上海建材股市行情名称昨收今开最高最低成交量成交额涨跌幅中国化建13.2413.2413.6512.9820436274673.10%浙江东日15.7415.7516.3615.7215207244253.18%福耀玻璃24.1224.1524.6024.1513080379661.29%尖锋集团10.4510.4510.4610.301015210510-1.05%四川金顶9.169.189.269.10520147800.87% 哪两种股票昨天的收盘价和今天的开盘价是相等的（）

A. 中国化建和浙江东日
B. 中国化建和尖锋集团
C. 浙江东日和福耀玻璃
D. 尖锋集团和四川金顶

长度的基准单位是( )。

A. 毫米
B. 分米
C. 米