[单选题]总部直管工程物资因建设原因需调整物资供应计划的，由建设管理单位书面向国网物资公司提出调整需求（重点物资供应计划调整需在原计划到期前不少于（）日，常规物资供应计划调整需在原计划到期前不少于（）日），国网物资公司重新组织确定供应计划。
A.A、60，30
B.、90，60
C.、90，40
D.、75，40

{{U}}61)Back in my early 20s. when "sensible" wasn’t part of my weight-loss vocabulary., I tried a diet that was limited to just a few "healthy" foods{{/U}}. Three weeks into it, after religiously adhering to a regimen of salads and meats, I had nearly reached my goal of losing 8 pounds. 62) {{U}}But my progress wasn’t as sweet as I exnected. Instead of celebrating my emerging figure. I was obsessed with what I couldn’t eat{{/U}}. Warm, crusty bread. Noodles smothered in red sauce. Chocolates packed with almonds. One night I abandoned the diet and gorged on every food I’d been missing. Over the next two weeks, I ate more than ever. No surprise that I quickly regained 8 pounds, and put on 2 more.
63) {{U}}It sounds like the old diet-binge cycle that we’ve all heard about so often. But many weight-loss experts are starting to think about that cycle in a new. more positive way{{/U}}. The answer for long-term weight control, they say, may be just