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下图中晨昏线与纬线切于A点，且A点附近可以看到极光。据图完成1—2题。 1、下列叙述正确的是 [ ] A．晨线与赤道相交于80°W B．A点的正午太阳高度是20° C．北京昼夜长短的差值比夏至日大 D．伦敦早晨树影倒向西南 2、气候变暖对该区域的直接影响最有可能是 [ ] A．冰岛粮食更加短缺 B．欧洲西部的冬季气温比现在更低 C．北大西洋暖流势力减弱 D．阿尔卑斯山脉雪线下降
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举一反三
【单选题】What does the sentence 'If it is not speeding discoveries, it is certainly accelerating communication' most probably mean?
A.
The quick speed of correspondence may have ill-effects on discoveries.
B.
Although it does not speed up correspondence, it helps make discoveries.
C.
It quickens mutual communication even if it does not accelerate discoveries.
D.
It shrinks time for communication and accelerates discoveries.
【简答题】A．items B．goods C．objects D．discoveries
【简答题】拉深工艺的辅助工序主要有 、 和 三种。
【简答题】A．origins B．sources C．bases D．discoveries
【简答题】水准仪是指能够提供一条 的仪器。
【单选题】What did Einstein credit his discoveries to?
A.
He credited his discoveries to orthodox intelligence more than imagination and endless questioning.
B.
He credited his discoveries to imagination and endless questioning more than orthodox intelligence.
C.
He credited his discoveries to imagination and orthodox intelligence.
【简答题】水准仪是指能够提供 的仪器。
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