A-A+
Why does the repair process of the DNA may fin
问题详情
Why does the repair process of the DNA may finally fail？
A．Because short-wave radiant energy breaks the strands of the DNＡ.
B．Because the DNA may produce a colony of cancer cells.
C．Because enzymes work to rearrange the DNA into a new order.
D．Because the patient is exposed to UV form. time to time.
参考答案
正确答案：D
解析：第四段中“…but with repeated UV exposure，the repair process may eventually break down”与D项的内容一致。
