Question L5-3
A. He introduced a text in Europe that he had translated from Arabic.
B. He was the first to use the number zero in higher-level mathematics.
C. He encouraged the use of a new number system in tracking grain production.
D. He translated an Italian text into Arabic during his travels through the Middle East.
Question L5-4
A. Its most important effects were on merchants and tradespeople.
B. It had little impact on daily life.
C. It affected engineers more than other scientists.
D. It quickly caused most people’s lives to change radically.
Question L5-5Listen again to part of the Lecture. Then answer the question
A. She wants the students to appreciate the mathematical significance of the Fibonacci sequence.
B. She believes that Fibonacci’s contributions to mathematics were unoriginal.
C. She is impressed by the breadth of Fibonacci’s genius.
D. She is surprised at the reason that Fibonacci is primarily remembered today.
Lecture 2Question-L2.1
A. To argue that carbon emissions today are not the only factor responsible for global warming
B. To provide evidence that rates of global carbon emissions fluctuate over time
C. To show the importance of distinguishing between different types of carbon emissions
D. To describe different ways carbon is removed from the atmosphere
Question-L2.2 Click on 2 answers
A. Its vastness
B. Its cold temperatures
C. The absence of life there
D. Its role as the ultimate source of energy on Earth
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