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【单选题】
听力原文：W: What have you been up to recently? M: Burning the midnight oil finishing my business proposal. My angel investor needs it by next Monday. Q: What can we learn from the conversation? (18)A.
The man's car burned oil in the midnight.
B.
The man was busy with his business proposal.
C.
The man's investor has the business proposal.
D.
The man's investor is an angel.
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举一反三
【单选题】We have to practice as often as possible.
A.
to speak English
B.
speak English
C.
speaking English
D.
in speaking English
【单选题】关于竞争性成本计划,指导性成本计划和实施性成本计划三者区别的说法,正确的是( )。
A.
竞争性成本计划是项目投资和签订合同阶段的估算成本计划，比较粗略
B.
指导性成本计划是项目施工准备阶段的施工预算成本计划，比较详细
C.
实施性成本计划是选派项目经理阶段的预算成本计划
D.
指导性成本计划是以项目实施方案为依据编制的
【简答题】分子生物学的发展前景如何?
【单选题】. ( ) 差异的存在是市场细分的客观依据。
A.
产品
B.
价格 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
需求偏好
D.
细分
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