八、综合填空(本大题共10小题，每小题1分，共10分)

根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限填一词。

A smile shows that a person is happy. For example, a person may smile when he or she is p76 with some progress in studies. Or a person may smile if a friend tells a funny joke. There are other good r 77 to smile often.

First, it is e 78 to smile than to show unhappiness. In fact, it only takes 17 muscles (肌肉)to smile. On the other hand, it takes 43 muscles to show unhappiness. So give the muscles in your f 79 a rest and smile!

Second, smiles are nice. People may try to I 80 nice by exercising or wearing nice clothes. However, people often say a smile is the best thing a person can wear. That is because it is easy to be a 81 someone who is smiling and happy. Almost no one wants to stay with someone who is always unhappy.

Third, smiles have power (感染力).Both smiling and laughing can easily and quickly s 82 from one person to another. If one person smiles, people around him or her want to smile, too. Similarly, when a person laughs, people tend (往往会)to laugh with him or her. If a person is s 83 . the best thing to do is to share a smile or a laugh. It is the easiest way to cheer someone up.

F 84 . smiling and laughing are very good fbr the body. Even though you are sad, try smiling. You'll find that it will be difficult to s 85 sad fbr very long!

答案及解析：

76. 根据语境，当一个人在学习上取得一些进步时，他或她可能会微笑，说明此时心情是愉悦的。“be pleased with”是固定短语，意为“对……感到满意、高兴”，所以此处填“pleased”。

77. 前面列举了人们微笑的一些情况，这里说还有其他经常微笑的好“原因”。“reason”是可数名词，前面有“other”修饰，要用复数形式“reasons”。

78. 根据后面的“than”可知，这里是在将微笑和表现出不高兴进行比较，且后面提到微笑只需要17块肌肉，而表现出不高兴需要43块肌肉，说明微笑更容易。“easy”的比较级是“easier”，所以填“easier”。更多真题请微信搜索英语巴士小程序。

79. 微笑和不高兴都是通过面部表情来展现的，所以这里说让脸部的肌肉休息一下。“in one's face”表示“在某人的脸上”，故填“face”。

80. 人们可能通过锻炼或穿漂亮的衣服来试图让自己“看起来”不错。“try to do sth.”表示“试图做某事”，“look”作系动词，意为“看起来”，符合语境，所以填“look”。

81. 因为和微笑、快乐的人待在一起很容易，几乎没人想和总是不开心的人待在一起。“be around sb.”表示“在某人身边、和某人在一起”，所以填“around”。

82. 微笑和大笑都能很容易且快速地从一个人“传播”到另一个人。“spread”有“传播、扩散”的意思，且前面有情态动词“can”，后面接动词原形，所以填“spread”。

83. 根据后面说最好的做法是分享一个微笑或笑声，这是让人振作起来的最简单方法，可知这里说的是如果一个人“难过”。“sad”是形容词，意为“难过的、悲伤的”，符合语境，所以填“sad”。

84. 前面已经列举了三个经常微笑的原因，这里是最后一个原因，“finally”意为“最后”，用于引出最后一个要点，且位于句首，首字母要大写，所以填“Finally”。

85. 即使你很难过，试着微笑，你会发现很难长时间“保持”悲伤的状态。“stay”作系动词，有“保持(某种状态)”的意思，“it is difficult to do sth.”表示“做某事是困难的”，所以填“stay”。