We may infer from the passage that the habit of drinking tea in Britain was mostly due to the influence of the upper social class.

我们可以从文章中得知，英国形成的喝茶习惯大多来源于上层社会。

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The most common adverse reactions in clinical trials were upper respiratory tract infections, headache, inflammation of the nose or nasal passage, high blood pressure and increased liver enzymes.

在临床试验中最常见的不良反应为上呼吸道感染、头痛、鼻炎或鼻道炎、高血压和肝脏酶升高。

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The exhaust passage exhausts the air of the cooling chamber at the upper reach along the moving direction (X) of the guiding passage.

排气通道在导入通道的沿搬运方向（X）的上游侧，排出冷却室内的 空气。

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Evidently, this misconduct was deemed necessary because, even with control of both the House and Senate infriendly hands, President Obama required Republican votes in the upper chamber to secure passage of his repeal initiative.

CENTERFORSECURITYPOLICY: How Congress Was Duped into Repealing Military Gay Ban

While ministers had threatened to use the Parliament Act to push the age of consent measure through the Lords, the same act cannot be used to repeal Section 28 because the legislation began its current parliamentary passage in the upper house.

BBC: age of consent