By Li Yuan For years, as Alibaba turned from a scrappy Chinese start-up into an e-commerce behemoth, some of its business units welcomed new employees with an ice-breaking ceremony that alarmed many of those who endured it. Fresh hires were required to answer deeply personal questions in front of their colleagues, according to former employees: About their first loves, their first kiss and their first sexual encounters. The questions were phrased in ways that aren’t printable in this newspaper, they said. The Chinese technology giant has denied such claims. But last weekend, a female employee alleged on the company’s internal…