单选题：I wonder_______ we could have a talk after the meeting,

题目内容：

I wonder_______ we could have a talk after the meeting, A．which
B．why
C．that
D．if

参考答案：

答案解析：

His hands _______ a little as he took up a pen and began to

His hands _______ a little as he took up a pen and began to write．A．waved B．sho

分类：英语题型：单选题

如果在被调用的过程中改变了形参变量的值，但又不影响实参变量本身，这种参数传递方式称为（　　）。 A．按值传递 B．按地址传递 C．ByRef传递 D．按形参传递

分类：英语题型：单选题

有三个关系R、S和T如下：则由关系R和s得到关系T的操作是（　　）。 A．自然连接 B．交 C．除 D．并

分类：英语题型：单选题

某二叉树共有7个结点，其中叶子结点只有l个，则该二叉树的深度为(假设根结点在第1层)（　　）。 A．3 B．4 C．6 D．7

分类：英语题型：单选题

Hard as he worked，________he couldn’t make enough money to support his family．

分类：英语题型：单选题