试题与答案

接触线坡度是指两定位点间接触线的高差。

题型:判断题

题目:

接触线坡度是指两定位点间接触线的高差。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:是生物与生物之间、不同系统之间的合作共存、互惠互利关系。人类与自然界的共生是指人类社会与自然界之间的互利共存关系。

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Do the boys and girls have the same favorite  小题1: ? The  小题2: is “No” . There are many differences  小题3: boys and girls at school. As we know, sometimes we say boys   小题4:  math and girls like English. That’s right. Many boys like P.E. And 小题5: like science and math. Many   小题6: like Chinese and English,  小题7: science and math are not their favorite subjects. Girls usually don’t like math  小题8:science.  小题9: don’t girls and boys have the same favorite subjects? We don’t know what the reason  小题10: . Do you know?

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