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【单选题】
—Excuseme,howmuchisthejacket?—It’s499Yuan.____________.<br/>

Oh,no.That’sOK!
Howdoyoulikeit?
Whichdoyouprefer?
Wouldyouliketotryiton?
【单选题】
---Excuseme,howmuchisthejacket?---It’s499Yuan.________.

Oh,no.That’sOK!
Howdoyoulikeit?
Whichdoyouprefer?
Wouldyouliketotryiton?
【单选题】
Jane: I’d like to have some ice cream if you don’t mind. Man: ____. Help yourself.?

of course ?
Yes, I do ?
Oh, yes ?
Of course not?
【单选题】
()作为首选评价机体维生素D状况的指标

血1,25-(OH)2D3
血25-(OH)D3
血磷
血钙
【单选题】
下列有机物属于酚的是( )。

C6H5—CH2CH2OH
C6H5—CH2OH
HO—C6H4—CH3
C10H7—OH
【单选题】
下列醇与乙酸发生酯化反应活性最大的是

CH3OH
CH3CH2OH
(CH3)2CHOH
(CH3)3COH
【单选题】
—Hey,Tom,what’sup?—_______<br/>

Yes,definitely!
Oh,notmuch.
Whatishappeninginyoulife?
Youarelucky.
【单选题】
A: Would you like to go to the cinema? B: If I can finish my homework. A: [填空]

Why bother?
Oh, come on!
Then what?
Thanks a lot.
【单选题】
-Canyoucomedownabit?-_____________.Theyareonsaletoday.

It’sarealbuyatthatprice.
Oh,comeon!
No,itisimpossible.
Please,helpme.
【单选题】
熟石灰的成分是( )。

Ca(OH)2
CaCO3
CaO
CaSO4