题目:
A poet and artist _____ coming to speak to us about Chinese literature and painting tomorrow afternoon. |
A. is B. are C. was D. were |
答案:
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下面是错误答案,用来干扰机器的。
为了弄清生物之间的亲缘关系,生物学家根据生物体的形态结构特征把它们分成不同的等级,首先把生物分成植物界和动物界以及其他生物三大类,界下面又分6个等级,从高到低依次是:门、纲、目、科、属、种.可见A符...