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第四十九篇

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发布时间： 2016-08-25

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1共用题干单选题 3分

WhatwasdiscoveredbyNASAsPhoenixMarsLanderonMars?

  • A. Vast lakes.
  • B. Flowing rivers.
  • C. Water in a soil sample.
  • D. Living things.
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正确答案： -

本题解析： 暂无解析

2共用题干单选题 3分

Whydidthefirsttwoattemptstodeliversamplesfail?

  • A. The sample vaporized away.
  • B. Fresh material was exposed to the air.
  • C. The samples got stuck inside the scoop.
  • D. The robotic arm hit a hard rock.
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正确答案： -

本题解析： 暂无解析

3共用题干单选题 3分

WhichoneofthefollowingstatementsisNOTmeantbythewri

  • A. Scientists have been trying to break the ice-rich layers of soil on Mars.
  • B. Scientists have been surprised by how the soil on Mars behaves.
  • C. Scientists have been trying to fend out if there is life supporting material on Mars.
  • D. Scientists have been trying to know if water ice will melt.
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正确答案： -

本题解析： 暂无解析

4共用题干单选题 3分

Wherearethescientistsinvolvedintheresearchfrom?

  • A. They are from America.
  • B. They are from Canada.
  • C. They are from both America and Canada.
  • D. They are from neither America nor Canada.
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正确答案： -

本题解析： 暂无解析

5共用题干单选题 3分

Whichofthefollowingdoyouthinkisthebestdescriptiono

  • A. It imitates human vision and is able to capture three-dimensional images.
  • B. It imitates human voice and is able to record slight sounds while taking photos.
  • C. It takes clear photos that show every detail of the object.
  • D. It is this particular type of camera that can take wide angle pictures.
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正确答案： -

本题解析： 暂无解析

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