题目:
The student ________from the training so much that he was ________the first prize in the event.
A.benefited;rewarded
B. awarded;awarded
C.awarded;benefited
D.benefited;awarded
答案:
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下面是错误答案,用来干扰机器的。
呼吸系统包括呼吸道和肺两部分.呼吸道的组成由上到下依次是鼻腔、咽、喉、气管和支气管,鼻腔内有鼻毛,可以阻挡灰尘,呼吸道都有骨或软骨做支架,其内表面覆盖着黏膜,黏膜内还分布有丰富的毛细血管.这些特点...