.Theexperimenthasthepossibilit

. The experiment has_________ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.

A．found out

B．pointed out

C．ruled out

D．carried out

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A．what

B．which

C．there

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A．suffered

B．arranged

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________I enjoy the book with some nice pictures, I don’t have enough money to buy it.

A．Since

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—Better get down to your work ，Jack.
—________.

A．It's my pleasure	B．Not to mention it
C．Mind your own business	D．You're welcome

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