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【单选题】Interferon For several years, scientists have been testing a substance called interferon (干扰素),a potential wonder drug that is proving to be effective in treating a variety of ailments, including viru...
A.
Right
B.
Wrong
C.
Not Mentioned
【单选题】Interferon For several years, scientists have been testing a substance called interferon (干扰素),a potential wonder drug that is proving to be effective in treating a variety of ailments, including viru...
A.
Right
B.
Wrong
C.
Not Mentioned
【单选题】为将数组myArray的长度由6改为10，现采取以下编码：int[]myArray=newint[6]；myArray=newint[10]；（覆盖）代码执行后，以下叙述哪项是正确的？（）
A.
数组myArray的长度已由6改为10，其中前6个元素的值不变，后四个元素的值为空。
B.
数组myArray的长度已由6改为10，其中前6个元素的值不变，后四个元素需再经过初始化后才能使用。
C.
数组myArray的长度已由6改为10，原来6个元素的值全部丢失。
D.
数组myArray的长度没有变化。