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.
查看答案
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.
Which of the following is NOT the difficulty we face about nanotech research？
A. How to prolong the 10 to 20 years' time.
B. How to eliminate the public's prejudice.
C. How to solve the problem of big and small.
D. How to get enough manpower and money.
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