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【简答题】
(华南理工大学2010年考研试题)电路如图4一96所示，已知IS1=1A，IS2=1A，当IS2不作用时，IS1输出功率28W，此时U2=8V；当IS1不作用时，IS2输出功率54W，此时U1=12V，问：(1)两个电源同时作用时，每个电源的输出功率是多少?(2)如把IS1换成5Ω的电阻，保留IS2，求5Ω的电阻中流过的电流。
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【简答题】A．Because he wants to travel to Phoenix. B．Because he works in the travel agency. C．Because he goes to see his girlfriend. D．Because he will go to Florida next week.
【简答题】They ___________ (can，go) out because the light’s on.
【单选题】Later, they found it easier to travel because ______.
A.
they could travel by wagons
B.
they could ride on their tame animals and go across water in hollowed tree trunks
C.
the roads were splendid
D.
the climates were favorable
【单选题】价值工程的核心是对产品进行( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
成本分析 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
B.
功能分析 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
价值分析 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
D.
功能改进 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【简答题】根据领的结构特征，一般可分为立领、翻驳领、翻领、无领四大类。由于前三种领在制作中有外加领片与衣片缝合，所以也叫装领。最后一种领的领型是由衣片上的领口线决定的，所以也叫___________。
【单选题】By making us imagine that we travel at the speed of light, the author tries to ________ .
A.
show us how fast we can travel in the universe
B.
give us an idea of how fast light travels
C.
tell us how close the moon and the sun are to us
D.
give us an idea of how big the universe is
【单选题】The teacher said that ____________________.
A.
light travel much faster than sound
B.
light travelled much faster than sound
C.
light had travelled much faster than sound
D.
light travels much faster than sound
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【简答题】根据领的结构特征，一般可分为立领、翻驳领、翻领、无领四大类。由于前三种领在制作中有外加领片与衣片缝合，所以也叫装领。最后一种领的领型是由衣片上的领口线决定的，所以也叫___________。
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