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Any sensible consumer may encounter the problem of consumer ......

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单项选择题
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.
单项选择题
By mentioning superweeds, frankenfoods and designer babies the author means ______.
A．Nanotech research can produce fruits as great as biotechnology
B．Nanotech will get the same appeal as biotechnology got before
C．Nanotech needs the political and financial support for its research
D．Nanotech will suffer from the similar obstacles as biotechnology
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