多项选择题

1，这首作品唱出了男女主人公怎样的情感？
A、A激情澎湃
B、B斗志昂扬
C、C委婉深情
D、D情意绵

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单项选择题

Which of the following is NOT considered as a major driving force for water flow from the soil through the plant to the atmosphere?
A、Difference in water vapor concentration between leaf and air, responsible for the diffusion of water vapor from the leaf to the air.
B、Difference in hydrostatic pressure, responsible for the bulk flow of water through xylem.
C、Difference in water potential, responsible for the movement of water across the living cells in the roots.
D、Elevation of the plant.

单项选择题

直方图也叫柱状图，是一种统计报告图，由一系列高度不等的纵向条纹来表示数据分布的情况。

A．对
B．错