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问题 单项选择题

液体运输中，只有对闪点高及沸点在（）℃以上的可燃液体才用空气压送。

A.35

B.100

C.120

D.130

答案

参考答案：D

单项选择题

A local high school basketball team had 18 home games this season and averaged 58 points per game. If we assume that the number of points made in home games is normally distributed, which of the following is most likely the range of points for a confidence interval of 90 percent（）

A. 26 to 80.

B. 24 to 78.

C. 34 to 82.
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单项选择题

下列属于观叶的植物是（）

A、红枫

B、金银木

C、雪松

D、玉兰
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