AppleXL Common Recruitment Examination CRE

Quiz 277 - 排句練習

( )激光測距機不用三秒鐘能測出地球距月球為三十八萬四千千米遠。 ( )激光能瞄得準,射得遠。 ( )激光雷達本領更大,它能隨時測量出敵人目標的準確距離和方位。 ( )利用它的這個特點可以製成激光測距機和激光雷達。 ( )激光雷達還能測量和預報出大氣層中含有多少極微量的有害氣體。?

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This quiz was created by clayyim on 2012-01-12T05:37:55-08:00

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