题目内容：
I will be going to the United States（ ）a business mission.
on
答案解析：
选择题：I will be going to the United States（ ）a business mission.on
- 题目分类：研究生入学
- 题目类型：选择题
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I can’t study with that music getting（ ）my nerves.on
I can’t study with that music getting（ ）my nerves.on
His behavior finally provoked her（ ）leaving him.into
His behavior finally provoked her（ ）leaving him.into
High interest rates discourage people（ ）borrowing money.from
High interest rates discourage people（ ）borrowing money.from
He has been charged（ ）murdering his wife.with
He has been charged（ ）murdering his wife.with
袋中有1个红球、2个黑球与3个白球，现有放回地从袋中取两次，每次取一个球。以X，Y，Z分别表示两次取球所取得的红球、黑球与白球的个数。（Ⅰ）求P{X＝1|Z＝0
袋中有1个红球、2个黑球与3个白球，现有放回地从袋中取两次，每次取一个球。以X，Y，Z分别表示两次取球所取得的红球、黑球与白球的个数。（Ⅰ）求P{X＝1|Z＝0}；（Ⅱ）求二维随机变量（X，Y）的概率