Ⅰ. 根据句意和首字母提示，用本单元所学单词填空。
1. It's i to talk loudly in the library. You should keep quiet here.
2. F, you need to finish your homework. Then, you can play games.
3. We should follow the local t when we visit that village. For example, we need to greet people in their own way.
4. It's u to swim in the deep river. Many accidents happened there before.
5. They plan to m next year. They have been in love for five years.

1. impolite 2. First 3. tradition(s) 4. unsafe 5. marry

Ⅱ. 用括号内所给词的适当形式填空。
1. We should use national languages like English to communicate with people from different countries. It helps us make friends from all over the world.
2. Wearing formal clothes like T-shirts and jeans is allowed in this park, but you need to wear formal clothes when you visit the museum next to it.
3. Please give my congratulate to your sister. She won first prize in the English competition.
4. Please answer the questions correct. If you do, you will get a nice gift.
5. My friend likes wearing jean very much. He thinks they are comfortable and fashionable.

1. international 2. informal 3. congratulations 4. correctly 5. jeans

Ⅲ. 根据汉语意思完成句子，每空一词。
1. 把筷子插在食物里是非常不礼貌的。
It is very impolite to your food.
2. 用“嗨”来问候你的老师是一种不正式的方式。
Saying "hi" is to greet your teacher.
3. 当我意识到叫错了他的名字时，我感到非常尴尬。
I when I realized I had called him by the wrong name.
4. 如果你不练习，想学好用筷子是不可能的。
If you don't practise, it will learn how to use chopsticks well.
5. 因为没人享受派对，主人感到有点不高兴。
The host felt because nobody enjoyed the party.

1. stick your chopsticks into 2. an informal way 3. felt very embarrassed
4. be impossible to 5. a bit unhappy

Ⅳ. 阅读下面语篇，理解其大意，然后从每小题所给的A、B、C三个选项中，选出一个能填入空白处的最佳选项。
Sleep is a part of everyone's life, but sleep habits can be very different around the world.
In most Western countries, like the US and the UK, a single long sleep is the most 1. This means people sleep 2 seven to eight hours each night. This habit is popular because it 3 well with modern work times. However, in some Southern European countries, such as Spain and Italy, people often follow a pattern of two sleep periods. They sleep twice a day, with a short nap in the early afternoon. This helps them to 4 during the hottest part of the day. This 5 started a long time ago with the Romans. In Japan, there is a special kind of sleep with several short periods. People take these short naps in public 6 even at work. In many Western countries, sleeping at work may seem 7. But in Japan, it is often seen as a 8 that a person is working very hard.
These different sleep habits show us that there is no single "right" way to sleep. Our sleep ways are shaped by our culture, traditions, and even the weather.
()1. A. difficult B. common C. interesting
()2. A. in B. at C. for
()3. A. fits B. makes C. keeps
()4. A. eat B. rest C. play
()5. A. game B. story C. tradition
()6. A. or B. and C. but
()7. A. lazy B. happy C. clever
()8. A. sign B. dream C. problem

1.B 2.C 3.A 4.B 5.C 6.A 7.A 8.A