※ 引述《surfingdream (好多東西)》之銘言：
: Which of the following most logically completes the argument?
: A certain cultivated herb is one of a group of closely related plants that
: thrive in soil with high concentrations of metals that are toxic to most
: other plants.
: Agronomists studying the herb have discovered that it produces large amounts
: of histidine, an amino acid that, in test-tube solutions, renders these
: metals chemically inert. Possibly, therefore, the herb’s high histidine
: production is what allows it to grow in metal-rich soils, a hypothesis that
: would gain support if ______.
: (A)histidine is found in all parts of the plant—roots, stem, leaves, and
: flowers
: (B)the herb’s high level of histidine production is found to be associated
: with an unusually low level of production of other amino acids
: (C)others of the closely related group of plants are also found to produce
: histidine in large quantities
: (D)cultivation of the herb in soil with high concentrations of the metals will,
: over an extended period, make the soil suitable for plants to which the
: metals are toxic
: (E)the concentration of histidine in the growing herb declines as the plant
: approaches maturity
: 我選(C) 感覺是對照組支持
: 來欣的答案好像給E，是我抄錯了嗎？ 網路上找了一下 有人說答案是C
: 註：來欣是隨堂測驗的 FORM A05第11題
在TestMagic看到一位大牛他選C，解釋如下
The correct response is C.
The evidence is:
1. This herb is one of a group of closely related plants that grow in
metal-rich soil.
2. This herb produces large amounts of histidine, which in the lab renders
the metals chemically inert.
The hypothesis is:
The herb's high histidine production is what allows it to grow in metal-rich
soil.
Choice C says that other plants that grow in metal-rich soil also exhibit
with high histidine production. This fact would support the hypothesis
because it would strenthen the connection between histidine production and
the ability to grow in metal-rich soil.
我覺得有道理，可否解釋一下 E那邊支持原文？
(E)its taking the assumption , at maturity the amino acid produced reduces! it
assumes that the death of a plant can be only bcas of the acid factor in the
soil, which need not be true.
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