在标准状况下，H2、O2、N2和H2O四种物质各1 g，体积最小的是______。
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烟酸可
A．保护动脉内皮
B．影响胆固醇代谢
C．影响甘油三酯代谢
D．阻碍胆酸"肝肠循环"
E．可适用于女性冠心病患者二级预防
| 任务型阅读。阅读下面短文，根据所读内容在表格中的空白处填入恰当的单词。注意：每个空格 只填一个单词。 | |||||||||||
| Forgetting little things happens every day, but it can lead to a bigger problem, someday. To improve your memory, both mental (脑力的) and physical exercise are necessary. Physical exercise can help to supply enough oxygen (氧气) to your brain, and mental exercise ensures (确保) that your mind can be active all the time. An important activity is deep breathing. Try out some deep breathing relaxation techniques which relax the mind. Repetition of a particular activity also helps to improve memory. You must also get the right amount of sleep (6-8 hours) every day. Remember, sleeping too much can have the same bad effect on your memory. The most important thing to remember well is to get just enough sleep, which affects not only your brain functions, but also your energy levels throughout the day. Getting things organized in and around your house or your office is one of the best ways to improve memory. The same goes for those who are studying. Write down your study materials well, and it will be easier to study and remember all the materials when you're preparing for a project or a test. Eat healthy food, including some food known as brain food, which includes nuts, fish, milk, eggs, whole grains, etc. All these foods, eaten in a healthy way, will help your brain function well, improve your memory and make you sharper. Avoid deep-fried, heavily salted or heavily sugary food. Also, never drink alcohol or give up drinking if you do want to improve your concentration and memory. With these tips, you can improve your memory. | |||||||||||
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无密户本人持存款凭证即可办理各种交易。
指出乙方对上述哪些事件可以向厂方要求索赔，哪些事件不可以要求索赔，并说明原因。 2．每项事件工期索赔各是多少天总计工期索赔是多少天 3．假设人工费单价为23元/工日，因增加用工所需的管理费为增加人工费的30%，则合理的费用索赔总额是多少
如果被审计单位计划以债务融资来应对持续经营能力的危机，则注册会计师应当关注的事项有（）。
A、阅读公司债券和借款合同的条款并确定是否存在违约情况，或者在可预见的未来可能违约
B、确认授信合同的存在性、条款和充分性
C、考虑债务融资的可获得性
D、考虑被审计单位现有的借款合同是否对继续举债存在限制条款