单项选择题

在( )起动机中,采用直推的方式使驱动齿轮伸出和飞轮齿圈啮合。 A.
常规起动机 B.
平行轴式减速起动机 C.
行星齿轮式减速起动机 D.
以上均不对

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论述驱动程序的主要功能。

答案：正确答案：初始化和释放|数据传送|检测和处理错误

单项选择题

Read the section “4.4. Robustness checks” of this article.
What aspects do the robustness checks cover in this article?

A．The coefficients on log English across the different estimation methods.
B． The consequences of using different bilateral measures of English proficiency
C． The issue that the possibility that the mean TOEFL score might be associated with the size of the pool of examinees in each country, which could in turn affect the results of our regression analysis.
D． All of the above.