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三个数a=0.32,b=log20.3,c=20.3之间的大小关系是( )A.a<c<b B.a<b<c C...
  • 三个数a=0.32,b=log20.3,c=20.3之间的大小关系是( )A.a<c<b B.a<b<c C...

  • 问题详情:三个数a=0.32,b=log20.3,c=20.3之间的大小关系是()A.a<c<b B.a<b<c C.b<a<c D.b<c<a【回答】C【考点】指数函数单调*的应用.【分析】将a=0.32,c=20.3分别抽象为指数函数y=0.3x,y=2x之间所对应的函数值,利用它们的图象和*质比较,将b=log20.3,抽象为对数函数y=log2x,利用其图象可知小于...
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如图,a、b是两根碳棒.以下叙述正确的是( )A.a是*极,发生还原反应       B.b是负极,发生氧化反...
I’vegotinformationforallthecomputersnow.       A.a     ...
Ourschoolhas    ArtFestivaleveryyear. A.a              ...
 “Hold”hasbecome        hotwordthisyear. A.a           ...
Ihave          nicepen.         penisblack.         A.a...
Thisis   pencilandthatis   eraser. A.a;a               ...
Doyoulikeshorts?    Yes,shorts     myfavourite    . A.a...
Threeyearslater,Tomwaselected   monitorofourclass. A.a ...
 Doyoulikeplaying     pianoorplaying       football?A.a...
 Johnopenedthedoor.There      hehadneverseenbefore. A.a...
WhenIcametoXi’anlastyear,Ifeelinlove         it.    A.a...
—Healthismoney.—ButIthinkitis           money.      A.a...
Linda.thereisn’t       foodinthefridge.      A.a       ...
 LiuXiangisnot________overnightsuccess. A.a          B....
____numberofbookssoldthismonth_____2000.A.A;hasreached ...
Hehad      usefulumbrellawhenitrained.      A.a        ...
Theoldmanisalmost80yearsold,butheisstill       .    A.a...
It’s   ruler.It’s   orangeruler. A.a;an                ...
        Brownswerehavingdinnerwhenthetelephonerang. A.A...
YesterdayIsaw        film.Itmovedmedeeply.  A.a       B...
CanIhave        lookatyourphoto?  A.a               B.a...
A.A   B.B   C.C   D.D
  • A.A   B.B   C.C   D.D

  • 问题详情:A.A   B.B   C.C   D.D【回答】【*】B【解析】A、是节约用水的标志,错误;B、是“用后必须洗手”标志,正确;C、是禁止饮用的标志,错误;D、是腐蚀品标志,错误。故选B。点睛:熟悉各种标志表示的含义是解题关键。知识点:各地中考题型:选择题...
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Hereis   basketball.Doyouplay   basketball? A.a;the    ...
Helooksverypale,hemayhave    fever.          A.a       ...