Daniel Larlham, Jr.
Everything in Starter, plus:
。业内人士推荐新收录的资料作为进阶阅读
也有人实名羡慕“天生好运，这种好事从来轮不到我，恭喜楼主好好享受”；还有人开玩笑“他有内存！抓住他！”；
Oil is lighter than water — that’s why disasters like those caused by the Exxon Valdez tanker and the Deepwater Horizon drilling rig create slicks on the surface. To remove oil from the reserves, water is pumped into the salt caverns, making the crude float to the surface, where it is captured and sent through pipelines to refineries.
Number (3): Everything in this space must add up to 3. The answer is 2-3, placed horizontally.