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【单选题】
建筑室内外高差至少为多少?
A.
100mm
B.
150mm
C.
250mm
D.
900mm
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参考答案:
举一反三
【单选题】Do you know the student____________?
A.
whom I often talk
B.
with who I often talk
C.
I often talk with
D.
that I often talk
【简答题】A.It's often cold and snowy. B.It's often wet and warm. C.It's often cool and dry. D.Not mentioned in the conversation.
【单选题】Turn on the television or open a magazine and you ________ advertisements showing happy families. A. will often see B. often see C. are often seeing D. have often seen
A.
will often see
B.
often see
C.
are often seeing
D.
have often seen
【简答题】4函数的极值与最值练习题.docx
【单选题】He _____ late for school. [     ]
A.
is often
B.
often is
C.
does often
D.
often does
【单选题】2判断函数 是否有极值,极值点和极值
A.
B.
有,极值点为 ,极大值
C.
有,极值点为 ,极小值
D.
有,极值点为 ,极大值
【判断题】.PLD作为一种通用型可编程逻辑器件,而它的逻辑功能又是由用户通过对器件编程来自行设定的。
A.
正确
B.
错误
【判断题】可编程逻辑器件的逻辑功能是用户通过对器件编程进行设定的。
A.
正确
B.
错误
【简答题】函数曲线 在定义域内(    ). (A)有极值有拐点    (B)有极值无拐点 (C)无极值有拐点    (D)无极值无拐点
【简答题】y=xlnx的极值与极值点.
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