单项选择题

Which of the following is not hazardous to our health

A．School.
B．Clean house.
C．The Environmental Protection Agency’s headquarters.
D．None of the above.
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单项选择题
According to the passage, which of the following statements is true of the process that discolors and toughens foods
A．It takes place more slowly than glycosylation in the human body.
B．It requires a higher ratio of glucose to protein than glycosylation requires in the human body.
C．It does not require the aid of enzymes to attach glucose to protein.
D．It proceeds more quickly when the food proteins have a molecular structure similar to that of crystallin proteins.
单项选择题
Why was there a renewed demand for the re-examination of the case against the Birmingham Six
A．The Birmingham Six were believed to have criminal connections with the Guildford Four.
B．The two cases were similar in that both were about pub bombings.
C．The bombings in Birmingham happened at the same time.
D．The Birmingham Six also claimed that there were police malpractices in their case.
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