showthatthelevelofeducation,andnotrace,is thebestpredictorofwhowilllivethelongest. Amongthe5,114 peoplefollowedinthe study,395haddied.Thesedeathswereoccurring inworking-agepeople,oftenwithchildren,before theageof60.Theratesofdeathamongparticipantsinthisgroupdidclearlyshowracialdifferences,withapproximately9% of...
Is oxygen the only gas ___ helps fire burn?A that B / C which D what 相关知识点: 试题来源: 解析 A核心短语/词汇:help sb./ sth. (to) do sth. 帮助某人/某物做某事句子译文:氧气是唯一的助燃气体吗? 本题考查定语从句。___helps fire burn 用来修饰之前的名词gas, 该从句的引导词在定...
A.that B./ C.what D.it相关知识点: 试题来源: 解析 A 考查定语从句。Gas为先行词,在定从___ helps fire burn中作主语,且that作主语时不可省略。所以选A。 分析总结。 gas为先行词在定从helpsfireburn中作主语且that作主语时不可省略反馈 收藏 ...
Four years ago they all moved into a three-storey Victorian house in Bristol-one of a growing number of multigenerational families in the UK living together under the same roof. They share a front door and a washing machine, but Rita Whitehead has her own kitchen, bathroom,bedroom and livin...
What is the maximum oxygen percentage allowed in a tank? A. 12% B. 6% C. 8% D. 10% 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: C 复制 纠错相关题目: 设计代表工作的任务是参加根本建设的__和安装. 查看完整题目与答案 盾构注浆方...
You may need extra oxygen if your blood oxygen level is lower than it should be. You may get oxygen through a mask placed over your nose and mouth or through small tubes placed in your nostrils. Ask your healthcare provider before you take off the mask or oxygen tubing.Treatment...
Medicare covers much of the care and services you receive during a hospital stay, but there are limitations to how much and how long this insurance will pay. Elaine K. HowleyDec. 13, 2024 Exercises to Lower Cholesterol All physical activity is good for your health, but these exercises may ...
The mass number of an atom is the total number of protons and neutrons contained within the nucleus of the atom. The number of protons determines the element and will always equal the atomic number of that element. The number of neutrons can change and will determine which isotope of that ...
Fluorine (F) has an atomic number of 9 and by referring to a periodic table, we can see that fluorine (F) is in Group 7A. Elements in Group 7A all...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts ca...
Call your local emergency number (911 in the US) if:You suddenly have more trouble breathing than usual.When should I seek immediate care?You cannot think clearly. Your lips or nails look blue or pale. You have a headache or dizziness. You have more swelling in your face, arms, neck, ...