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【单选题】
在某个区间 ( a , b ) 内,如果 f ′ ( x ) > 0 ,那么函数 y = f ( x ) 在这个区间内( );如果 f ′ ( x ) < 0 ,那么函数 y = f ( x ) 在这个区间内( ).A.
单调递减 ， 单调递增
B.
单调递 增 ， 单调递 减
C.
单调递 增 ， 单调递 增
D.
单调递 减 ， 单调递 减
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举一反三
【单选题】She is the second _______student in our class.
A.
tall
B.
taller
C.
tallest
D.
the tallest
【简答题】Write a similar commentary of an attraction in your hometown. The following contents should be included: 1) Where is your homework? 2)What are the famous attractions in your hometown? 3)Which attracti...
【单选题】Please read the datasheet and answer the following questions. lm324-n(1).pdf What is the typical Vos of LM324-N
A.
1 mV
B.
2 mV
C.
5 mV
D.
7 mV
【简答题】工序尺寸的公差一般按 标注。
【单选题】Or, critical thinking is thinking that analyzes thought, that assesses thought, and that transforms thought for the better.
A.
accesses
B.
evaluates
C.
scrutinizes
D.
decomposes
【单选题】She is the second ______student in our class.
A.
tall
B.
taller
C.
tallest
D.
the taller
【简答题】listen and answer the questions. What is a typical day for Sarah? 2. What does Sarah do after finishing her study? 3. Why is Sarah fond of debating? It gives her a lot of fun and also makes her look g...
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