extraordinary complicated.
D
37.While the process of photosynthesis in green plants, light energy is captured and used
A B
to convert water, carbon dioxide, and minerals into oxygen and organic compounds.
C D
38.The globe artichoke was known as a delicacy at least 2,500 years ago, and records of its
A B C
cultivation date from fifteenth century.
D
39. Humans do not constitute the only species endowed with intelligence: the higher animals also
A B C
have considerably problem-solving abilities.
D
40. Many of species of milkweed are among the most dangerous of poisonous plants, while others
A B C
have little, if any, toxicity.
D
Section Three: Reading Comprehension
Questions 1-10
In the early 1800’s, over 80 percent of the United States labor force was engaged
in agriculture. Sophisticated technology and machinery were virtually nonexistent.
People who lived in the cities and were not directly involved in trade often participated
Line in small cottage industries making handcrafted goods. Others cured meats, silversmiths, candle
5) or otherwise produced needed goods and commodities. Blacksmiths, silversmiths, candle |