读懂短文的基础上，结合短文提供的特定的语言环境去逐句分析。要解决好语法填空，离不开坚实的语法知识，有了坚实的语法知识才能对语言进行正确的分析和判断，从而答对题目。本篇语法填空考查到的语法知识有时态、词性、从句以及固定短语等，其中定语从句考查，先要找准先行词，然后分析先行词在定语从句中所作的成分，最后确定关系词。例如小题8中，考查定语从句，先行词为the police officer，指代人，且在从句中作主语，故用关系代词who/that，不可省略。

【甘肃省兰州第一中学2019届高三上学期期中】语法填空（共10小题；每小题1.5分，满分15分）

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Believe it or not, have you ever noticed that you feel happier and more relaxed after you eat bread, pasta or fruit? Do you find that you are more energetic and awake after eating yogurt or beans? These things are not accidents. Food affect ___41___ we feel more than we think. Scientists researching ___42___ (it) effect on our moods are beginning to understand that we can influence our feelings with what we eat.

Although our moods relates ___43___ having various foods, it is not quite as simple as choosing the foods for the right occasions. If that ___44___ (be) the case, athletes would not eat a lot of carbohydrates before a race.

Another chemical ____45____ (connect) with our mood is caffeine, which ____46____ (find) in coffee, chocolate and many types of tea, is perhaps ___47___ worst thing you can have when you are feeling stressed.

Of course, ___48___ (enjoy) a nice meal with friends, whatever we eat, can also impact our spirits. Being with friends and family plays a big part in experiencing happiness.

Most ___49___ (important), though, remember the following old rule: try to eat different food, ___50___ not too much.

【答案】41. how

42. its 43. to

44. were 45. connected

46. is found

47. the 48. enjoying / to enjoy

49. importantly

50. but / yet

【解析】

本文是一篇说明文。我们所吃的食物会对我们的情绪有影响。因此，我们要尝试吃不同的食物，但是不要吃太多。