Heterosexual anal intercourse is rarely discussed in the scientific literature. Review of the literature suggests the silence is linked to ethnocentric dis... DR Bolling,B Voeller - 《Arch Sex Behav》 被引量: 304发表: 1991年 Sex acts, sex partners, and sex budgets: implications for risk factor...
China is currently at a critical juncture, where Xi is leading the country to realize the ambitious "Chinese modernization," while being confronted with major challenges, such as downward economic pressure following the COVID-19 pandemic, rising protectionism and suppression from Western nations, and ...
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the number of…指数量,后跟复数名词,它的中心词是number, 当the number of…作主语时,可当作单数形式使用,谓语动词须用单数形式;a number of意思是“许多,大量的”,相当于many,后跟复数名词,它的中心词是它后面的名词,故作主语时,谓语动词用复数形式。例如: The number of students in our school is over 8...
The term life span is familiar to most of us. The word has a relatively new frequent companion: health span. A person's health span is the length of time that the person is healthy—not just alive.
One of the technologies in the .NET security spectrum provided by the common language runtime (CLR) is code access security (CAS). This article discusses the role of CAS in .NET security and some key new features and changes in CAS in the .NET Framework 2.0. Most...
Poverty is a state or condition in which a person or community lacks the financial resources and other essentials beyond income for a minimum standard of living.
The latitude 23° 26′ North is also known as theTropic of Cancer. It marks the northern-most position on the Earth, where the Sun is directly overhead at least once a year. This happens during theJune Solstice, when the Earth’s Northern Hemisphere is tilted towards the Sun. ...
A W-2 tax form shows important information about the income you’ve earned from your employer, amount of taxes withheld from your paycheck, benefits provided and other information for the year. You use this form to file your federal and state taxes.
Learn what artificial intelligence (AI) is and how it works, explore the different types of AI, see examples of AI, and discover the benefits of AI.