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.

当美国人用10000美元从通用汽车公司买回一辆汽车，其中3000美元是支付给韩国装配工人的，1750美元付给日本零件制造商，700美元是德国设计师的报酬，400美元是用来购买台湾、新加坡的零件，250美元付给英国的广告商，余下的不到4000美元才能供通用汽车公司以及纽约的银行、保险公司分享。上述现象最能反映当今世界哪一发展趋势（   ）

①鲸是最大的哺乳动物。____

②在很远的古代，鲸的祖先跟牛羊一样生活在陆地上。____