题目内容
（请给出正确答案）
[主观题]
The hourglss,n instrument used ______, usully consists of two bulbs united by nrrowThe hou
rglss,n instrument used ______, usully consists of two bulbs united by nrrow neck.mesures time B．time is mesured C．for mesuring time D．the time for mesuring
A．measures time
B．time is measured
C．for measuring time
D．the time for measuring
提问人：网友v4c3x2z1114
发布时间：2022-01-07
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The distribution of speeds of oxygen molecules at 300 K is shown in the figure. The correct ordering for speed is:
