C difficile is a spore-forming bacterium that is found widely in the environment and is known to survive for months in hospitals and long-term care facilities.
型难治性腹泻是由广泛存在于环境中的孢子形成细菌引起的,已知可以在医院环境中与长期监护环境中生存数月。
C. American parents seldom care for their children's spending money. D. American children begin to learn how to manage money when very young.
美国孩子在父母的引导下开始学会如何管理自己的零花钱了。
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