题目内容

小型养路机械质保期是()。

A. 1年
B. 2年
C. 3年
D. 4年

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Some scholars have commented on the "devastating" effects that the emphasis on English learning has had on the Chinese education system, and called for more in-depth focus on the studying of Chinese-related subjects. What is your opinion？ Write a composition of about 200 words on the following topic: Which Is More Important, Chinese Education or English Learning？

整治钢轨低接头时，平磨主要是处理接头或焊缝不平顺现象，平磨长度一般为接头或焊缝两端各()mm范围。

A. 200～400
B. 100～300
C. 150～350
D. 300～500

资本的秘密是通过并购文化与权利剥夺控制创新型产业的发展。()

流水步距指两个专业班组进入流水施工的时间间隔。()