What is the conversation mainly about What is the conversation mainly about A．Online shopping. B．New technology. C．Computers. D．Book stores. A: Online shopping. B: New technology. C: Computers. D: Book stores.

声明并实例化Book类型的一个新对象，正确的是（)。 A: Book b; B: Book b = new Book(); C: Book b = new Book[]; D: Book b =Book();

The teacher went into the classroom, _______. A: with book in hand B: a book in hand C: with a book in hand D: book in hand

I would like to book a booth. “Book a booth” means_______. A: book a ticket B: cancel a booth C: book a stand D: book a room

Which of the following is not the work of Confucius? A: Book of Rites B: Book of Music C: Book of Odes D: Book of Beauty

—Is this a Chinese book or an English book?—Oh, _________. A: yes, it is B: no, it isn't C: an English book D: a music book

Are _______ Kate’s _______? A: this; book B: that; book C: these; books D: those; book

Which following are the Confucius works? A: Book of Spring and Autumn B: Book of Odes C: Book of History D: Book of Music

11.以下的标记名称中不合法的是 A: Book B: _ Book C: ：Book D: #Book

在PHP中，以下变量命名正确的是 A: $book B: _book C: $_book D: $-book