题目内容

蔗糖、乳糖和其他糖加入至蛋白质溶液往往损害蛋白质的起泡能力，改进了泡沫的稳定性。

A. 对
B. 错

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脂类物质当浓度超过0.5％时会显著损害蛋白质的气泡性质。

A. 对
B. 错

Fill in the blanks with the words given below.far publicenvironmentharmful smoke healthCigarette PollutionCigarette smoking is one kind of pollution. It is the most (1) ___pollution in our lives and dangerous to our (2)_.Smoking pollutes both the outdoor and the indoor (3)_. Outdoors, besides fouling the air, it makes the streets dirty, for some smokers throw cigarette butts everywhere. However, the indoor enviroment is(4)_more polluted. When you enter a meeting-room, you’ll get a cough, because it is full of smoke and smells terrible. In a train, you’ll find yourself covered with (5)if some smokers sit nearby. And you’ll be unlucky if you share a room in a dormitory with a roommate who is a heavy smoker.So, let us work together to make more (6)___places non-smoking areas.

Performer: Wuhan Collge of ________.

Time： ______ p.m.