问题
选择题
下列分子中，所有原子都满足最外层8电子结构是[ ]
A．六氟化氙
B．次氯酸
C．五氯化磷
D．白磷
答案
答案：D
搜题请搜索小程序“爱下问搜题”
下列分子中，所有原子都满足最外层8电子结构是[ ]
A．六氟化氙
B．次氯酸
C．五氯化磷
D．白磷
答案：D
完形填空（15分） Some people think that all wild animals are dangerous. But in fact, very few of them will 1 a man if he leaves them alone. If you meet a lion or an elephant, I guess you will 2 ; but even a lion will avoid(躲避)a man if it is not very 3 . Lions and tigers only kill and eat men when they have grown too old and too weak to catch their usual 4 , such as deer and 5 small animals. If you see a wild elephant, perhaps you will be 6 . However, elephants usually run away at once if you don’t attack them. Some animals get very frightened if they only smell a man, some stand and look at him for a moment 7 they run away, some take no notice at all but walk away 8 in another direction. Wild animals only attack 9 when they are afraid that people want to harm(伤害) their 10 , or when the hunters shoot at them and make them angry.
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