单选题：Mary has made up her mind not to go to the meetin9．

题目内容：

Mary has made up her mind not to go to the meetin9． A．tried
B．promised
C．decided
D．attempted

参考答案：

答案解析：

For most people television is the most important____________

For most people television is the most important_____________

分类：卫生类题型：单选题

分类：卫生类题型：单选题

噪声源的测量量包括（　）。A．倍频带声压级 B．A声级或A声功率级 C．等效连续A声级 D．最大A声级 E．总声压级

分类：卫生类题型：单选题

某交易者以260美分/蒲式耳的执行价格卖出10手5月份玉米看涨期权，权利金为16美分/蒲式耳，与此同时买入20手执行价格为270美分/蒲式耳的5月份玉米看涨期权

分类：卫生类题型：单选题

分类：卫生类题型：单选题