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【单选题】
“日出而作，日入而息。凿井而饮，耕田而食。帝力与我。”这句话出自 。（ ）A.
《诗经》
B.
《礼记·经解》
C.
《全集》
D.
《击壤歌》
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举一反三
【单选题】电路在运行中只要导体内有电流Ⅰ通过，导体就会发热，若导体电阻是R，电阻所消耗的电能全部变为热能Q，经过时间t后，其热量Q为（）。
A.
Q=IRt
B.
Q=I 2 Rt
C.
Q=IR 2 t
D.
Q=It
【单选题】根据下列材料，请回答下列各题 Worried about what people are saying about you? Concerns about gossip could influence behavior, including generosity, researchers said. 'As it turns out, the act of gossip can indeed be...
A.
added
B.
beneficial
C.
swayed
D.
fabricated
E.
reactions
F.
made
G.
still
H.
significantly allocate thought contrary also generous led economical 请在____47______处填上答案
【简答题】What do we learn from the conversation? [A] The woman is sick. [B] The woman is worried about her interview. [C] The woman is confident. [D] The woman is feeling better.
【单选题】We were _____ that the Wenchuan earthquake left the whole city in ruins. [ ]
A.
shocked
B.
worried about
C.
worrying
D.
shocking
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