海尔股份有限公司在激烈的市场竞争中的优势首先是技术含量高，其次是价格优势。由于公司一切以效益为原则，实施严格的生产管理和成本控制，有效地降低了人力成本，使其远远低于国内同行。该公司的“技术含量高”与其“价格优势”之间的关系是（  ）

①不同民族文化之间可以取长补短

②文化交流要坚持以我为主，为我所用

③文化越是民族的，就越是世界的

④不同民族文化之间既有个性也有共性

    There's not just one reason why kids can't fall asleep, though, so there's also more than one____.

    If there's anything about your room that makes you feel ____ at night, like a picture that looks strange in the dark, or a noisy tap that leaks drop after drop, be sure to ask one of your parents if it can be moved or fixed.

    It may not____ make sense why something bothers you, but if it's keeping you from sleeping, it should be changed. Another idea could be getting ready for bed earlier than usual. Try to take more time to ____ by taking a warm bath, or listening to a bedtime story at least30 minutes before you want to go to sleep.