题目:
肺动脉里流的是静脉血,肺静脉里流的是动脉血。 ( )
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C解析:alone is not sufficient, because there could be 6 or 60 black jelly beans in the jar. (2) alone is not sufficient, because there could be 1 orange and ...