waymo申请后收到奇怪邮件

online申请waymo后收到hr这封邮件，内容如下

Thank you for your interest in Waymo! We reviewed your application for the Software Engineer, Perception, Trucking role and we're interested in learning more about you! If you're still interested in pursuing opportunities with us, please answer the following questions and we'll review your background with our current hiring managers.

Should you get an offer from Waymo, when is the soonest you'd be available to start?
Are you actively interviewing? Are you close to any final stages with other companies?
Will you now or someday need visa sponsorship to work in the US? (if yes, please provide details)
Are you open to our Mountain View, CA location?
How many years of experience do you have in Python and C++? Please rate yourself 1-10 in each language, 10 being expert.
Please highlight areas or aspects of this role that are particularly interesting to you and explain why. (200 words max)

同样申请waymo的同学有收到这样的邮件么？
我个人是21年fall毕业，有经验的大佬能不能告知一下回复这封邮件有没有什么要注意的。