threeinfluenzatypeAvirussubtyp

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_____ three influenza type A virus subtypes(子类型) have been found in pigs.

A．By far

B．As far as

C．So far

D．Till far

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The football player reacted______the judge’s decision by withdrawing from the match.
A on B. to C. against D. by

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_________, I’d like to say thanks to all of your present.

A．With conclusion

B．In conclusion

C．For conclusion

D．To conclusion

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---Someone’s been here. Who ___ it be? It looks like Helen.
---It ___ be Helen.She is ill in hospital.

A．must; must

B．might; could

C．can; mustn’t

D．can; can’t

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Do you know what ___ while you were away from home?

A．had happened

B．was happened

C．has happened

D．happened

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He was __ twenty when he was gone.

A．hardly

B．scarecely

C．badly

D．almost

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