問題詳情

II. Cloze: choose the best answer 20% (2% for each) <A>   Indigo dye is an organic compound with a 16 blue color. It has been used for thousands of years bycivilizations all over the world to dye fabric blue. Historically, indigo was a natural dye extracted from the leaves of certainplants. First used in India, which was also the earliest major center for its production and processing, indigo, used as a dye,17 the Greeks and the Romans, where it was valued as a luxury product. Because of its high value as a trading commodity,indigo was often 18 as blue gold. Today, most natural indigo dye for sale comes from the leaves of Indigoferatinctoria 19 is tender to frost and grows best in the tropics and thrives in hot and humid places with fertile soil.20 , India is the biggest supplier of natural indigo dye, and a perfect place to offer abundant manual labor for theextraction of indigo dye. Farmers must have the specific knowledge to harvest the leaves at the right time, and they have tofollow certain procedures to process the leaves to produce the indigo powder, later made into indigo cakes.  
16.
(A) distinct
(B) distinctive
(C) distinguished
(D) distinction

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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