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Task 2 Translate the expressions into Chinese or English.1. give priority to ________________________2. 重点 ___________________________________3. put up ________________________________4. 排队 ___________________________________5. special offer __________________________6. 要价,出价 ____________________________7. in an attempt to ______________________8. 营救行动 ______________________________9. click and drag ________________________10. 点击一下鼠标 ________________________

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Task 1 Discuss the following questions after reading the passage.1. Why is online shopping becoming more and more popular?2. Do you worry about the security of entering your card details on the Internet?

The conditional operator ? : is a ______

A. unary operator
B. binary operator
C. ternary operator

What is x after evaluating x = (2 > 3) ? 2 : 3;

A. 5
B. 4
C. 3
D. 2

关于虚函数的描述中,( )是正确的。

A. 虚函数是一个静态成员函数
B. 虚函数是一个非成员函数
C. 虚函数可以在函数说明时定义,也可以在函数实现时定义
D. 派生类的虚函数与基类中对应的虚函数具有相同的参数个数和类型

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