第3题: [单项选择]It can be inferred from the latest survey that ______. A. hospital teaching across the country is similar B. each hospital has at least one part-time teacher C. all hospitals surveyed offer education to children D. only one-fourth of the hospitals have full-time teachers 参考答案:D 答案解析:推断题。
[定位] 根据题干latest survey 定位于原文第三段。
[解析] 第二句...half of the hospitals in England which admit chil
第34题: [单项选择]下列有关期权的叙述错误的是( )。 A. 买方须支付权利金,卖方须缴交保证金 B. 预期标的商品价格上涨时,应买入看跌期权 C. 看跌期权执行价格愈高,权利金愈高 D. 到期时,其时间价值为零 参考答案:B 答案解析:[解析] 预期标的商品价格上涨时,应该买入看涨期权或者卖出看跌期权。