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【单选题】
如图 6 所示, L 1 , L 2 是两个规格不同的灯泡,当它们如图连接时,恰好都能正常发光,设电路两端的电压保持不变,现将变阻器的滑片 P 向右移动过程中 L 1 和 L 2 两灯的亮度变化情况是 [ ]A.
L1亮度不变，L2变暗
B.
L1变暗，L2变亮
C.
L1变亮，L2变暗
D.
L1变暗，L2亮度不变
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举一反三
【单选题】The couple had no sooner got to the station _____ the coach left. (2009)
A.
when
B.
as
C.
until
D.
than
【单选题】Important his discovery was, it was regarded as a matter of no account in his time.
A.
when
B.
until
C.
as
D.
although
【单选题】目前WHO/ISH提出的高血压诊断标准为
A.
≥120/80mmHg
B.
≥130/85mmHg
C.
≥140/90mmHg
D.
≥150/90mmHg
E.
≥160/95mmHg
【单选题】Although the examination he had passed was not important, his success______him in his ambition to become a doctor.
A.
urged
B.
encouraged
C.
promised
D.
persuaded
【单选题】After a serious illness, he finally _______ how important his health is.
A.
meant
B.
realized
C.
added
D.
impressed
【简答题】A．His standpoint in important issues. B．His effort to get equal rights for women. C．His ability to create job opportunities. D．His performance at work.
【简答题】A．His standpoint in important issues. B．His effort to get equal rights for women. C．His ability to create job opportunities. D．His performance at work.
【简答题】函数 在 内满足拉格朗日中值定理的点是 ____。
相关题目：
【单选题】目前WHO/ISH提出的高血压诊断标准为
A.
≥120/80mmHg
B.
≥130/85mmHg
C.
≥140/90mmHg
D.
≥150/90mmHg
E.
≥160/95mmHg
参考解析：
知识点：
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