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: 305发表: 1991年 Sex acts, sex partners, and sex budgets: implications for risk factor...
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不是加法，应该是两个数字相乘，因为product的意思是乘积。
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. The earliest evidence ofhealth spanthat our preliminary research has turned up is from the late 1980s: "A revolutionary increase in life sp...
百度试题 结果1 题目8) 24 is what percent of 300? 8 % 相关知识点: 试题来源: 解析 8 反馈 收藏
1. What’s it made of? 它是用什么做的? ◆be made of意思是“由……制成”,介词of所指的原材料一般是未经变化,仍可看出材料的。例如: The desk is made of wood. This bridge is made of stone. 课桌是用木头做的。桥是石头造的。 ◆be made from意思也是“由……制成”,但介词from所指的原材料...
Data visualization is the graphical representation of information. It uses visual elements like charts to provide an accessible way to see and understand data.
What date is it today? It’s ___of April.A.twelfthB.the 12thC.12th 相关知识点: 试题来源: 解析 答案:B核心短语/词汇:What date is it today?:今天是几月几日? 句子译文:今天是几月几日?今天是四月十二号。解析:日期表达几号时,用序数词,序数词前要加定冠词the,因此选B。A、C少了定冠词...
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. ...
stage. Vaccination should also be suspended for patients undergoing chemotherapy, patients with hypertensive crisis, patients who have had heart attacks, and patients who are in the progressive stage of autoimmune neurological diseases. Otherwise, vaccination is still the most efficient way to protect ...