______ is not written by William Butler Yeats.
A. The Lake Isle of Innisfree
B. Sailing to Byzantium
C. When You Are Old
D. Song of Myself
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The main idea of this passage is that ______.
A. man's elementary number sense is found in lower species
B. birds have a limited number sense
C. animals cannot count
D. number sense is a primitive form of counting
Karel Drbal found that his model pyramid could ______.
A. sharpen razorblades
B. stop ice melting
C. produce strange noises
D. make animals become torpid
Why does the author mention the Stanford scientists in the second paragraph
A. To compare hard work done by Roslin Institute to that of the two Stanford scientists.
B. To prove that scientific research can make money be the patent.
C. To suggest that why Geron-Roslin is keen to get its patent.
D. To underline that Geron company is money-oriente
What is David Peakall
A. He is a farmer.
B. He is a scientist of physics.
C. He is a toxicologist.
D. He works at the University of Michigan.
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