单项选择题

Questions 18-21 are based on the following passage.
For what reason did the black walnut tree become popular during the colonial period

A．It was used for gun stocks.
B．It was used by cabinetmakers.
C．It was used as filtering material in gas masks.
D．It provided shade during summer and nut for food.

<上一题目录下一题>

热门试题

单项选择题

Which is true according to the woman

A．She lives a sad life.
B．She is living a happy life.
C．She is happy.
D．She says it is right.

单项选择题

How does the driver figure out that the passenger is a first-time visitor to the city

A．The passenger catches a taxi for a short one-mile trip.
B．The passenger does not understand the rules for tipping drivers.
C．The driver finds the passenger lost on the street before picking him up.
D．The driver notices the passenger gazing upward at the tall buildings.

Questions 18-21 are based on the following passage. For what reason did the black walnut tree become popular during the colonial period 您的浏览器不支持 audio 元素。

Questions 18-21 are based on the following passage.
For what reason did the black walnut tree become popular during the colonial period