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【简答题】
如图,直线y=2x-2与x轴交于点A,抛物线y=ax 2 +bx+c的对称轴是直线x=3,抛物线经过点A,且顶点P在直线y=2x-2上. (1)求A、P两点的坐标及抛物线y=ax 2 +bx+c的解析式; (2)画出抛物线的草图,并观察图象写出不等式ax 2 +bx+c>0的.
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举一反三
【单选题】"Hi, is Emma there please?" Choose the correct response:
A.
"Emma speaking."
B.
"Speaking."
C.
"This is Emma"
D.
All three responses are correct.
【简答题】根据下面表格中所给单词填空。 his        my        her          this       Little Zeke's Mrs. Jones: Is (1) your apple, Emma? Emma: No, Mrs. Jones. It is not (2) apple. Mrs. Jones: Is this Jane's apple? Emma: No, Mr...
【单选题】Emma's father spent much of the night with ______ secretly.
A.
the grandmother
B.
Emma's mother
C.
his colleague
D.
a strange woman
【简答题】Emma told her story in a ______ tone
【单选题】听力原文:M: Are you going to study after supper, Mary, or would you like to come to the Ritz with us? W: Thanks a lot, but I can't. Anyway, I've already seen the movie they're showing there. Q: What is Ma...
A.
Go out for supper.
B.
Go to the movies.
C.
Get ready for the show.
D.
Have supper and then study.
【多选题】在报表系统中经常使用的总账科目取数公式和表间取数公式分别为()
A.
ACCT
B.
REF-F
C.
RPTDATE
D.
SYSINFO
【简答题】在报表系统中经常使用的总账科目取数公式和表间取数公式分别为( )A. ACCT  ;  B  REF-F;   C  RPTDATE  ;   D  SYSINFO
【简答题】完形填空。 This is Little Zeke. 1 is aboy. This is Emma. 2 is a girl. Emma is Little Zeke's friend. Little Zeke lives 3 Emma's desk at school. He often (常常) talks to Emma. Emma hasmany friends, Tom, Nan an...
【简答题】完形填空。(10分) Dave:Emma, is this a photo of your family? Emma:Yes, it 小题1: . Dave:Is the old man(老人) 小题2: grandfather? Emma: 小题3: , he is. Dave:And who is the man(男人)? Emma:Oh, he is his 小题4: , Nick. Dav...
【单选题】听力原文:M: Would you like to study with us in the library? W: I'd rather study 'at home. What does the man mean?
A.
He thinks it is better than studying at home.
B.
Prefers to study than to go home.
C.
He prefers to study at home.
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