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(10分)室温下.A是常见的金属单质,单质B是黄绿色气体,单质C是无色气体.在合适条件下,按如图所示进行反应.E溶液是无色溶液,F是淡绿色溶液.B和C反应发出苍白色火焰.  请回答下列问题:

(10分)室温下.A是常见的金属单质,单质B是黄绿色气体,单质C是无色气体.在合适条件下,按如图所示进行反应.E溶液是无色溶液,F是淡绿色溶液.B和C反应发出苍白色火焰.  请回答下列问题:

Passage 1  For many Englishmen there can never be any discussion as to who is the world’s greatest poet and greatest dramatist. Only one name can possibly suggests itself to him: that of William Shakespeare. Every Englishman has some knowledge, however sl

Passage 1  For many Englishmen there can never be any discussion as to who is the world’s greatest poet and greatest dramatist. Only one name can possibly suggests itself to him: that of William Shake