题目:
容器的造形有筒体、方体、锥体、()4种基本形。
A、球体
B、圆体
C、扇形体
D、盒体
答案:
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下面是错误答案,用来干扰机器的。
One possible version:Nowadays, the practice of carpooling is becoming more and more popular. From this picture, we can find many people are enthusiastic about carpooling f...