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【单选题】
以下关于被访问控制符 protected 修饰的成员变量的描述中,正确的是A.
可以被三种类所引用：该类自身、与它在同一个包中的其他类、在其他包中的该类的子类
B.
只能被该类自身所访问和修改
C.
可以被两种类访问和引用：该类本身、该类的所有子类
D.
只能被同一个包中的类访问
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【单选题】In recent days, 33 persons have been infected with the H7N9 virus, _____9 deaths.
A.
causing
B.
caused
C.
to cause
D.
cause
【简答题】Bertie knew there was something in the wind. His mother had been sad in recent days, not sick，just strangely sad. The lion had just lain down beside him，his head warm on Bertie’s feet，when Father clea...
【单选题】He , along with three other students, __ some funny pictures in recent days.
A.
have downloaded
B.
download
C.
has downloaded
D.
downloaded
【简答题】Bertie knew there was something in the wind．His mother had been sad in recent days, not sick, just strangely sad. The lion had just lain down beside him, his head warm on Bertie’s feet when Father cle...
【简答题】Bertie knew there was something in the wind. His mother had been sad in recent days, not sick, just strangely sad. The lion had just lain down beside him, his head warm on Bertie's feet when Father cl...
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