推 windpeter:我選D是因為它下一段會接著講含水比例的問題，比較OK 03/27 21:49
→ azcactus:樓上說對了，就是因為這樣選D 03/27 21:59
Q 13. Look at the four squares [█] that indicate where the following sentence
could be added to the passage.
What, then, determines what proportion of the water stays and what proportion
drains away?
Paragraph 8: Much of the water in a sample of water-saturated sediment or
rock will drain from it if the sample is put in a suitable dry place.█ But
some will remain, clinging to all solid surfaces.█ It is held there by the
force of surface tension without which water would drain instantly from any
wet surface, leaving it totally dry.█ The total volume of water in the
saturated sample must therefore be thought of as consisting of water that
can, and water that cannot, drain away.█
想請問插入句的意思是什麼??
答案是D 為什麼不能選C
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