题目内容：
He failed to live up to his parents' expectations.
参考答案：
答案解析：
选择题：He failed to live up to his parents' expectations.
- 题目分类： 大学英语B级
- 题目类型：选择题
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级差地租等于（）A．各级土地产品的市场价值与个别价值的差额B．个别价值与个别生产价格的差额C．价值与生产价格的差额D．生产价格与成本价格的差
级差地租等于（）A．各级土地产品的市场价值与个别价值的差额B．个别价值与个别生产价格的差额C．价值与生产价格的差额D．生产价格与成本价格的差额
决策金字塔一共有（）层A．1B．2C．3D．4
决策金字塔一共有（）层A．1B．2C．3D．4
调度依据客流的基本规律和变化，把复杂多变的运行过程组织成协调而有秩序的运营服务，并保持其（）A．目的性B．指挥性C．连续性D．连续性
调度依据客流的基本规律和变化，把复杂多变的运行过程组织成协调而有秩序的运营服务，并保持其（）A．目的性B．指挥性C．连续性D．连续性
Fewer high school students are smoking now than a few years ago.
Fewer high school students are smoking now than a few years ago.
Everything considered, their plan is still workable.
Everything considered, their plan is still workable.