What can we learn from the last paragraph？
A. There's too much investigation about biotechnology without too much reasoning.
B. With the applications for nanotech in medical area cancers can be cured.
C. Nanotech poses challenges for venture capitalist trained in only one area.
D. The venture capitalists are finding the applications for nanotech rewarding.
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听力原文：W: Did you go to Paris？
M: No, I didn't.
Q: Which city does the dialogue mention？
(24)
A. New York.
B. Paris.
C. Tokyo.
The passage is intended to ______.
A. make readers have a better understanding of gene testing
B. show that scientists are worrying about the negative side of gene testing
C. tell readers that as more gene tests appeared, more disease genes can be discovered
D. reveal the rapid development of new scientific knowledge
According to the passage, the following are the adverse effects of overdose of caffeine with the EXCEPTION of ______.
A. anxiety
B. sickness
C. heart beating
D. obesity
Where do most people think Mark Twain was born？
A. Hannibal Missouri
B. Florida, Missouri
C. Mississippi River
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