It Pays to Be an Optimist 做个乐观主义者 Research shows that whether a person is an optimist or a pessimist is related to their quality of life, including their physical health. The subjects involved first took personality tests in the 1960s a

发表于:2019-02-24 / 阅读(73) / 评论(0) 分类 英语听力文摘 English Digest

Methuselah Insect 昆虫的寿命相对于地球上的其他生物而言,算比较短的,不过有一种昆虫的寿命相当长,那就是一种能17年的蝉。蝉寿命虽长,却要在土里面沉睡17年,当它睡醒之后,从土里钻出

发表于:2019-03-09 / 阅读(214) / 评论(0) 分类 英语听力文摘 English Digest