问答题

It could be inferred from the third paragraph that
A．specific DNA or RNA sequences are developed to detect the viruses.
B．it is not a quick way to look for DNA sequences.
C．systems to detect viruses are working to enter the market.
D．treatments for some specific virus are successful.

A.specific
B.
B．it
C.
C．systems
D.
D．treatments
E.

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According to the passage, Peter Pan culture is probably a phenomenon that
A．people cast away their childish pursuits once they grow up.
B．people indulge in foods and games from their childhood.
C．people still act in a childish way when they are adults.
D．people hang on to their adult interests and attitudes.

A.people
B.
B．people
C.
C．people
D.
D．people
E.

Los Angeles Times managed by Chandler
A．is narrow and conservative.
B．now is a rival to New York Times.
C．once was very successful.
D．is serious and subjective.

A.is
B.
B．now
C.
C．once
D.
D．is
E.