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下面的短文有5处空白，短文后有6个句子，其中5个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。

{{B}}Why Do People Shrink {{/B}}
Did you ever see the movie Honey, I shrunk the kids It’s about a wacky(古怪的)dad (who’s also a scientist) who accidentally(偶然的) shrink’s his kids with his homemade miniaturizing (使小型化) invention. Oops! The kids spend the rest of the movie as tiny people who are barely visible while trying to get back to their normal size.
{{U}} (46) {{/U}}It takes place over years and may add up to only one inch or so off of their adult height (maybe a little more, maybe less), and this kind of shrinking can*t be magically reversed, although there are things that can be done to stop it or slow it down. But why does shrinking happen at all
{{U}} (47) {{/U}}As people get older, they generally lose some muscle and fat from their bodies as part of the natural aging process. Gravity (the force that keeps you

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[单项选择]装配预应力水池缠绕的钢丝做搭接时，预应力钢丝接头应紧密绑扎牢固，其搭接长度应不小于（）
A. 350mm
B. 250mm
C. 450mm
D. 500mm

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A.A.车站内无源导向标
B.B.车站内有源导向标
C.C.车站防火门
D.D.公共区地板
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[单选题]Text 4 Turning oil rigs into reefs saves money and marine life.Yet many greens oppose it.When an offshore well stops producing oil,what should be done with the rig?One option is to haul it ashore,break it up and recycle it.This is expensive.For a big,deep-water oil or gas platform,it can cost S200m.Just hiring a derrick barge massive enough to do the job can cost$700,000 a day.But there is an altemative:simply leave most of the structure where it is.That is what you would expect a greedy oil firm to do:despoil the ocean just to save a lousy few million dollars.The surprise is,the cheap option may actually be greener.More than 490 platforms in American waters have become reefs in the past three decades.The federal Bureau of Safety and Environmental Enforcement urges states to issue reefing permits.State coffers gain:oil firms typically hand over half the money they save by reefing.Those savings vary greatly.Small platforms in shallow waters can often be removed for$lOm,but sometimes for as little as$lm,according to DecomWorld,a consultancy.But for states with lots of offshore oil rigs,the windfalls soon add up.Mississippi pocketed an average of$625,000 for each of the 12 permits it has issued,according to Melissa Scallan of the state's Department of Marine Resources.Louisiana's take has averaged$270,000 per reefing-and the state has seen 336 0f them,says Mike McDonough of the Louisiana Department of Wildlife and Fisheries.Far bigger savings arc possible in the deep waters off California.Four years ago the Golden State passed a law allowing reefing.Operators are Ioth to estimate costs publicly,but the Tulane University Energy Institute reckons that reefing the state's 27 platforms could save$2 billion.A platform or two could be retired as early as next year,though rising oil prices may mean they keep pumping longer.The debate is likely to intensify.In the Gulf of Mexico some 400 platforms are now being decommissioned each year.Divers and many fishermen want more to be reefed;shrimpers complain that reefs prevent them from dragging nets across parts of the ocean floor.In Califomia operators must decide quickly if they wish to turn redundant rigs into reefs.Until 2017 firms can keep 45%of the savings.After that the figure falls t0 35%until 2023;then it drops to just 20%.For now,the evidence suggests that reefing is a rare policy.It is both eco-friendly and pays for itself. According to the reefing,will mostly complain the policy_____
A.divers
B.fishers
C.operators
D.shrimpers