3. What’s the main idea of the text?
A. Arguments about recent US education reform.
B. Tips on finding jobs for high school leavers.
C. The lack of career-based courses in US high schools.
D. Advice for American high school leavers.
【解析】选C。主旨大意题。文章第一段的In some countries, schools have programs to help students onto the path to work. In the United States, however, such programs are still few and far behind. 点出了主题。
. The underlined word“daunting”in Paragraph 6 most probably means“ ”.
A. discouragingB. interesting
C. creative
D. unbearable
【解析】选A。词义猜测题。从下文的In the US, unemployment rates for 16-to-19-year-olds are above 20 percent for the third summer in a row. 可猜出词义。阅读理解Linus Pauling, the only person who has won two undivided Nobel Prizes, was born in Portland, Oregon. He attended Washington High School but because of an unimportant detail he did not receive his diploma until 1962, long after he had received his Bachelor’s degree in chemical engineering from Oregon State College in 1922. He had chosen to study his major because he could get a good job with it.
He won the Nobel Prize for Chemistry in 1954 for his research into the nature of the chemical bond and its application to the explanation of the structure of complex substances. His interest in the“behavior”of molecules(分子)led him from physical chemistry to biological chemistry, especially of the human body. He began with proteins and their main parts, the amino acids(氨基酸), which are called the“building blocks of life”. In 1950, he constructed the first satisfactory model of a protein molecule, a discovery very important to the understanding of the living cell.
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