用铬酸洗液或盐酸－乙醇洗液洗涤器皿时，玻璃仪器中的水要尽量倒尽、甩干；洗毕将洗液倒回原瓶，并随手将瓶盖好，以免吸水，降低去污能力
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可以用毛刷蘸取铬酸洗液洗涤仪器
A. 对
B. 错
Man has a ______ _____ with nature in the same way we do with our family members.
Man is not only a ______ in nature but also a ______ of nature.
Human beings' dependence on nature becomes more and more ______.
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