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【单选题】类A派生出子类B，类B派生出子类C，并且在Java 源代码中有如下声明： 1. A a0 = new A()； 2. A a1 = new B()； 3. A a2 = new C()； 请问以下哪个说法是正确的？
A.
只有第1行能通过编译
B.
第1、2行能通过编译，但第3行编译出错
C.
第1、2、3行能通过编译，但第2、3行运行时出错
D.
第1 行、第2 行和第3行的声明都是正确的
【简答题】What are closed-class words and open-class words?
【简答题】在VFP的报表设计器中,若要制作所有学生信息清单的报表,则姓名、性别、出生日期等字段变量应放在_______________带区中。
【单选题】A派生出子类B，B派生出子类C，并且在Java中有如下声明A a0 = new A();A a1 = new B();A a2 = new C();以下哪种说法是正确的？
A.
只有第1行能通过编译
B.
第1、2行能通过编译，但是第3行编译出错
C.
第1、2、3行能通过编译，单第2、3行运行时出错
D.
第1、2、3行的声明都是正确的
【单选题】David did not regret saying what he did but felt that he it differently.
A.
could express
B.
would express
C.
could have expressed
D.
must have expressed
【简答题】what are words 里面最好听的是那一句
【简答题】A．He tells her honestly what he thinks about it. B．She can tell by his nonverbal expressions. C．He throws it away after it. D．She can tell by his unusual words.
【多选题】What are formal words?
A.
learned words
B.
literary words
C.
big words
D.
colloquial words
【单选题】Most of us are taught to pay attention to what is said—the words. Words do provide us with some information, but meanings are (1)_____ from so many other sources that it would hinder our effectiveness...
A.
omitted
B.
resulted
C.
dismissed
D.
derived
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