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【单选题】
The underlined phrase 'cyclists' failure to keep up with the desired speed of motor traffic' in the second paragraph means______.A.
cyclists' speed is beyond the limit
B.
cyclists' speed is much lower than that of motorists' and they easily get hurt
C.
cyclists often compete with motorists on the roads
D.
motorists usually took down upon cyclists.
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皮皮学刷刷变学霸
举一反三
【单选题】欧阳修《戏答元珍》诗句中抒发逆境中自慰之情的是（）。
A.
春风疑不到天涯，二月山城未见花
B.
残雪压枝犹有桔，冻雷惊笋欲抽芽
C.
夜闻归雁生乡思，病人新年感物华
D.
曾是洛阳花下客，野芳虽晚不须嗟
【简答题】图示电路,已知U=2V,试计算受控电压源的功率。