一、根据所给汉语提示及首字母填写单词
1. The Belt and Road (一带一路) will help China improve the (关系) with those related countries, especially Pakistan.
2. The (决定) you have made are right. We all believe you.
3. Red represents good luck and is often used for .
4. I worry about (是否) I hurt her feelings.
5. The book gives a good picture of (日常的) life in ancient Rome.

1. relations
2. decisions
3. celebrations
4. whether
5. daily

1. “关系”在此处为名词，且表示国家间的关系，常用“relations”。
2. “决定”在此处为名词，且根据后面的“are”可知要用复数形式“decisions”。
3. 根据“Red represents good luck”和首字母“c”可知，此处应填“celebrations”（庆祝）。
4. “是否”在此处引导宾语从句，用“whether”。
5. “日常的”在此处为形容词，修饰“life”，用“daily”。

二、用所给单词的适当形式填空
1. Do you know what colour is often used for (celebrate) traditional festivals in China?
2. Many people think blue is (suit) for bedrooms.
3. I'm wondering what (happen) to the little boy. He looks so sad at the moment.
4. The student (certain) knows there is a relationship between colours and moods after learning this unit.
5. It is polite to ask strangers questions about their (person) life.

1. celebrating
2. suitable
3. has happened
4. certainly
5. personal

1. 此处需要一个名词作介词的宾语，celebrate的名词形式是celebration，表示“庆祝”，且用复数形式表示泛指。
2. 此处需要一个形容词作表语，suit的形容词形式是suitable，表示“合适的”。
3. 根据语境可知，此处表示“我想知道那个小男孩发生了什么”，表示过去发生的动作对现在造成的影响或结果，用现在完成时，其结构是“have/has+过去分词”，主语是what，视为单数，所以用has happened。
4. 此处需要一个副词修饰动词knows，certain的副词形式是certainly，表示“当然”。
5. 此处需要一个形容词修饰名词life，person的形容词形式是personal，表示“个人的”。

三、短文填空：阅读下面短文,在空白处填入一个适当的单词或用括号内单词的正确形式填空
Dopamine (多巴胺) dressing (1) popular on the short video platform TikTok for a while. It encourages people to choose colourful clothing so that they can get more dopamine and feel (2) . But is there really any science behind this?
Dopamine is a chemical (化学物质) in our brain. It can influence (3) we feel. According to Science Focus magazine, although there is (4) study about how colourful clothes can increase dopamine, there are studies that showed a (5) between the clothes we wear and how we act and feel.
One study showed that (6) red can lead to better physical performance. They found that in soccer matches over the last 55 years, teams wearing a red kit (队服) always played better in home games (7) any other kit color. Another study showed that wearing green can make people become more creative. Green has also been found to help people (8) , likely because it (9) us of nature.
But there are some problems with these studies, as people from different cultures have different ideas about colors. That's what scientists need to study (10) .

1.has been 2.happier 3.how 4.no 5.relationship 6.wearing 7.than 8.relax 9.reminds 10.further

1. 主语“Dopamine dressing”为单数，“for a while”表示持续一段时间，用现在完成时，填has been。
2. “feel”后接形容词，结合“get more dopamine”可知用比较级，填happier。
3. 宾语从句中缺方式状语，用how表示“如何”，填how。
4. “study”为可数名词单数，根据转折逻辑，此处指“没有研究”，填no。
5. “a”后接名词，“a relationship between...and...”为固定搭配，填relationship。
6. 动词作主语用动名词，填wearing。
7. “better”为比较级，后接than，填than。
8. “help sb. do sth.”，用动词原形，填relax。
9. 主语“it”为第三人称单数，一般现在时，填reminds。
10. “study further”表示“进一步研究”，填further。

四、同义句改写
1. "The animal signs appear in a fixed order," Mr. Wu told us.
Mr. Wu told us .
2. Does Peter like swimming? I want to know it.
I wonder .
3. "I can use colours to improve my moods," Daniel thought.
Daniel thought .
4. "Millie, are you going to see the film this evening?" Tom said.
Tom asked Millie the film that evening.
5. Do I need to change my mind or not? I have no idea about it.
I wonder I need to change my mind .

1. that the animal signs appear in a fixed order
2. if/whether Peter likes swimming
3. that he could use colours to improve his moods
4. if/whether she was going to see
5. whether; or not