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ACT阅读词汇解析:自然科学

2018-03-21 14:32:12来源:网络

  熟悉ACT考试,新东方在线ACT小编为大家带来ACT阅读词汇解析:自然科学一文,希望对大家的ACT备考学习有所帮助。更多精彩尽请关注新东方在线ACT学习网(http://act.koolearn.com)!

  在act阅读考试自然科学的文章中,最常考的话题有三个,分别是:

  animal,plant,和astronomy

  这里给大家列出了这三个话题中最常考的高频词汇。

  Plant

  Bark:tough protective covering of the woody stems

  63C NS Line 39

  The giant redwood has cinnamon-coloured bark, which may grow to a massive 18 in/45 cm thick.

  Grove: a small growth of trees

  63C NS Line 5

  Today they are a truly relict species, occurring only in isolated groves on the western slopes of the Sierra Nevada in California.

  Pollen: a fine powder produced by flowers

  61B NS line 10

  Young workers of five days of age or more who have been feeding heavily on pollen produce for the larvae a protein-rich substance called bee milk or royal jelly.

  Sap: a watery solution of sugars, salts, and minerals that circulates through a plant

  65E NS Line10

  They are large—and noisy一for insects that feast on sap: the smallest are 10 millimeters (just under half an inch) long, the largest 100 millimeters (four inches)

  Stem: a slender structure that supports a plant

  65E NS Line 12

  Female cicadas lay their eggs in the stems of plants or in trees.

  Trunk: the main stem of a tree

  63C NS Line 13

  The largest trunk of any redwood is found on a tree in Alder Creek, which averages 53 ft/16 m around its base.

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