四、阅读填空
After the rain, sometimes we can see a rainbow with seven colours. They are red, orange, yellow, green, blue, indigo and v 1 .
But what are colours? Why do some of the things a 2 us look green, others red or white? We see colours because most things reflect(反射) l 3 . Something is red because it reflects mostly red light. In the s 4 way, if something is green, it reflects mostly green light. If something reflects all light, it is w 5 . If something doesn't reflect any light, it is black. In the dark, it is d 6 to see colours although we may see objects. In the daytime, colours are c 7 seen. Colours are important in our life. They can i 8 our moods. Calm colours make us relaxed; warm colours may b 9 joy to our body and mind. Some other colours can make us feel e 10 or sleepy. They reflect different characteristics.
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.

1. violet
2. around
3. light
4. same
5. white
6. difficult
7. clearly
8. influence
9. bring
10. excited

1. 根据常识和题目描述，彩虹的七种颜色包括红、橙、黄、绿、蓝、靛、紫。所以第1空应填“violet”。
2. 题目询问为什么我们周围的一些东西看起来是绿色的，有的是红色的或白色的。这里需要一个介词表示“在……周围”，因此第2空应填“around”。
3. 根据题目描述，我们看到颜色是因为大多数东西反射光。所以第3空应填“light”。
4. 题目中提到“Something is red because it reflects mostly red light.”以及“if something is green, it reflects mostly green light.”。这里需要一个词来表示“同样的”意思，因此第4空应填“same”。
5. 如果某物反射所有的光，那么它看起来就是白色的。所以第5空应填“white”。
6. 在黑暗中，即使我们能看到物体，也很难看到颜色。这里需要一个形容词来描述这种情况，即“困难的”。因此第6空应填“difficult”。
7. 在白天，颜色更容易被看到。这里需要一个副词来修饰“seen”，表示“容易地”。所以第7空应填“clearly”（此处原意为颜色更清晰可见，用clearly更合适）。
8. 颜色在我们的生活中很重要，它们可以影响我们的情绪。这里需要一个动词表示“影响”。因此第8空应填“influence”。
9. 温暖的颜色可能会给我们的身心带来欢乐。这里需要一个动词表示“带来”。所以第9空应填“bring”。
10. 一些其他的颜色可能会让我们感到兴奋或困倦。这里需要一个形容词表示“兴奋的”。因此第10空应填“excited”。

一、词汇运用
A. 从方框中选择恰当的单词或短语,并用其适当形式填空,每个单词或短语只能用一次。
sad, decide, mood, promise, stand for, prefer, remind
1. I believe that the weather can affect a person's .
2. Smiles can help you forget your .
3. It's difficult for him to make a to give up smoking.
4. The dove(鸽子) peace.
5. My parents me that they will take me to Beijing this summer.
6. The photo me of my mother when I saw it.
7. When he was young, he meat to vegetables.

1. mood 2. sadness 3. decision 4. stands for 5. promised 6. reminded 7. preferred

1. 形容词性物主代词"a person's"后接名词，"mood"符合语境，填mood。
2. 形容词性物主代词"your"后接名词，"sad"的名词形式是sadness，填sadness。
3. "make a decision"是固定短语，意为"做决定"，填decision。
4. 主语"the dove"是第三人称单数，一般现在时中动词用第三人称单数形式，"stand for"的第三人称单数是stands for，填stands for。
5. 句子描述过去的承诺，用一般过去时，"promise"的过去式是promised，填promised。
6. "remind sb. of sth."是固定短语，根据"saw"可知用一般过去时，"remind"的过去式是reminded，填reminded。
7. "prefer...to..."是固定短语，根据"when he was young"可知用一般过去时，"prefer"的过去式是preferred，填preferred。

B. 根据句意,用括号中所给单词的正确形式填空。
1. I have many hobbies, such as (play) basketball and football.
2. If you need physical (strong), you should wear red clothes.
3. The more he thought about it, the (sad) he felt.
4. Do you have any problems (answer) this question?
5. I don't think the white oil works. It has made me feel even (sleep).
6. The bad news made the girl cry loudly with great (sad).
7. —Was the Maths homework easy to finish?
—No, not at all. I finished it with much (difficult).
8. —John, you look so (worry). What's wrong?
—My watch is missing. I can't find it anywhere.
9. —It's really relaxing to go for a walk in the national park.
—I have the same (feel). I hope to have more chances like this.
10. He is always (success) in all his subjects.

1. playing
2. strength
3. sadder
4. answering
5. sleepier
6. sadness
7. difficulty
8. worried
9. feeling
10. successful

1. such as 后接动词的ing形式，表示“例如…之类的事物”，所以填playing。
2. physical是形容词，后面接名词，strong的名词是strength，表示“力量”。
3. “the+比较级，the+比较级”结构表示“越…，越…”，sad的比较级是sadder。
4. have problems (in) doing sth.是固定搭配，表示“做某事有困难”，所以填answering。
5. feel是系动词，后面接形容词，sleep的形容词是sleepy，even修饰比较级，所以填sleepier。
6. great是形容词，后面接名词，sad的名词是sadness，表示“悲伤”。
7. much修饰名词，difficult的名词是difficulty，表示“困难”，且此处不可数，不用复数。
8. look是系动词，后面接形容词，worry的形容词是worried，表示“担心的”。
9. same是形容词，后面接名词，feel的名词是feeling，表示“感觉”。
10. always是副词，修饰形容词，success的形容词是successful，表示“成功的”。