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【多选题】
函数在求定义域一般要考虑以下几个方面?A.
分式的分母不能为零
B.
偶次根式的被开方式必须大于等于零
C.
对数函数的真数必须大于零
D.
分段函数定义域是各段函数定义域的交集
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皮皮学刷刷变学霸
举一反三
【单选题】Always acting in a strange way, Einstein must have __________ to people around to be mad.
A.
shown
B.
imagined
C.
appeared
D.
thought
【单选题】way of acting or behavior toward other people
A.
urgency
B.
representative
C.
manner
D.
conduct
【单选题】Always acting in a strange way, Einstein must have ___appear to people around to be mad.
A.
shown
B.
imagined
C.
appeared
D.
thought
【简答题】phrase. acting in the same way at the same time
【判断题】T he water in a pond can either be “living” or “dead”. G arden designers all tried to join their pond with the river system outside to make a living pond.
A.
正确
B.
错误
相关题目：
【单选题】way of acting or behavior toward other people
A.
urgency
B.
representative
C.
manner
D.
conduct