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¡¡¡¡16. This is 3-D printer. And this is an artificial (È˹¤µÄ) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?
¡¡¡¡A. aB. anC. theD. /
¡¡¡¡17.--Did you go to Kenli during the Peach Blossom Festival (ÌÒ»¨½Ú)?
¡¡¡¡--Yes. The flowers were beautiful. Bees were flying them.
¡¡¡¡A. inB. amongC. betweenD. through