题目

Why People Get Tattoos Jack lay, quiet and unmoving for thirty minutes while a stranger repeatedly stabbed (刺) him with sharp needles, causing blood to pour steadily out of his leg. Jack was getting a tattoo. His friend Tony had recently gotten a tattoo, and Jack was so impressed by it that he decided to get one too. Peer pressure, media influence, and personal expression are some of the common reasons for wearing tattoos today. The desire to be accepted by one’s friends or peers can have a great influence on what a person does. Sometimes, wearing a tattoo can be a sign that you belong to 遵守实验室规则，学习基本的实验操作方法，是实验成功的重要保证．下列实验操作不正确的是（　　）A．  检查装置的气密性B．    液体的量取C．   液体的加热D．   稀释浓硫酸