搜题请搜索小程序“爱下问搜题”
问题
填空题
函数y=2x
2
﹣8x+1，当x=
_____
时，函数有最
_____
值，是
______
。
答案
2，小，-7
解答题
1
100
和1%都是分母为100的分数，它们表示的意义相同．______．
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补全对话，情景问答
给下列问句选择正确的答句。
( ) 1. How do you feel?
( ) 2. What's the matter?
( ) 3. What colour is it?
( ) 4. What is Jenny doing?
( ) 5. How old are you?
A. It is yellow.
B. I am nine years old.
C. I feel happy.
D. I cut my arm.
E. She is working now.
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