According to this passage, a scientist would conceive of a "table" as being ______.
A. a solid motionless object
B. certain characteristic vibrations in "ether"
C. a form. fixed in space and time
D. a mass of atoms on motion
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How does the newborn screening test work？
A. It looks for abnormal arrangements of the gene.
B. It detects innate errors by checking the proteins.
C. It takes cell samples from body fluids or tissues.
D. It requires taking the carrier testing first.
The word "aberrant" in Paragraph 3 most probably means ______.
A. unhealthy
B. weird
C. agitated
D. mysterious
The whole passage is intended to ______.
A. help readers have a better understanding of nanotech
B. show that industries are all set for the nanotech age
C. tell readers the hurdles ahead the research of nanotech
D. reveal the potential benefits and big business of nanotech
What must the explorers be, even though they have modern equipment and techniques？
A. Brave and tough.
B. Stubborn and arrogant.
C. Well-liked and humorous.
D. Stout and smart.
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