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浇灌大体积混凝土基础宜选用( )。
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矿渣水泥比硅酸盐水泥耐硫酸盐腐蚀能力强的原因是由于矿渣水泥( )。
生产混合材水泥的主要原因在于增加产量和降低成本。
Social isolation poses more health risks than obesity or smoking 15 cigarettes a day, according to research published by Brigham Young University. The 1 is that loneliness is a huge, if silent, risk factor.Loneliness affects physical health in two ways. First, it produces stress hormones that can lead to many health problems. Second, people who live alone are less likely to go to the doctor 2 , to exercise or to eat a healthy diet.Public health experts in many countries are 3 how to address widespread loneliness in our society. Last year Britain even appointed a minister for loneliness. “loneliness 4 almost every one of us at some point, “ its minister for loneliness Baroness Barran said. “It can lead to very serious health 5 for individuals who become isolated and disconnected.”Barran started a “Let’s Talk Loneliness” campaign that 6 difficult conversations across Britain. She is now supporting “ 7 benches,” which are public seating areas where people are encouraged to go and chat with one another. The minister is also 8 to stop public transportation from being cut in ways that leave people isolated.More than one-fifth of adults I both the United States and Britain said in a 2018 9 that they often or always feel lonely. More than half of American adults are unmarried, and researchers have found that even among those who are married, 30% of relationships are 10 strained. A quarter of Americans now live alone, and as the song says, one is the loneliest number.A) Abruptly B) appointments C) consequences D) debating E) dimensions F) friendlyG) hindered H) idiom I) implication J) pushing K) severely L)sparkedM) splitting N) survey O) touches
分子中含有a、b-不饱和酮结构的利尿药是
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