26. C Live is not possible in outer space。

　　27. C It has a large ocean under its surface。

　　28. A LIght is not an essential miles long

　　29.B What Dr.Meyer's instructions exacty were。

　　30.D She asks them to repeat what they are supposed to do。

　　31.A it lacks the stability of the printed word。

　　32.C Challenging work

　　33.A Many tedious jobs continue to be done manually。

　　34.D Give them responsibilities as part of team。

　　35.B They concern a small number of the people only。

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