3. Bring a small gift, but don't bring food unless the host asks you to. 带一份小礼物，但不要带食物，除非主人要求。
【感知】(1)This story reminds us that you can never know what's possible un - less you try to make it happen. 这个故事提醒我们，除非你努力去实现，否则永远不知道什么是可能的。
(2)We won't win the game unless we work as a team. 除非我们团队合作，否则赢不了比赛。
【思考】unless 意为“”，相当于“”，引导从句，时态遵循的规则。
【运用】
(1)—Your aunt often walks a dog in the morning.
—Yeah， bad weather stops her.
A. when
B. unless
C. because
D. since
(2)The rivers will become dirtier and dirtier we take action to protect them.
A. since
B. if
C. until
D. unless

思考：除非；if...not；条件状语；主将从现
运用：(1) B (2) D

一、单词拼写与运用
根据所给首字母或汉语提示完成句子。
1. S hands is common when greet - ing friends.
2. It's good m to wait for the host to eat at a formal dinner.
3. My grandmother gave me a big h after long separations(分开).
4. Don't talk with food in your mouth u you finish chewing.
5. In some European cultures，people usual - ly (亲吻)on the cheek to greet friends.
6. Learning to use a (叉子)properly is important in Western table manners.
7. We ordered a bowl of hot (咖喱菜)to warm up on the cold evening.
8. My neighbour taught me how to make a traditional (印度的)dessert last week.

一、1. Shaking 2. manners 3. hug 4. unless 5. kiss 6. fork 7. curry 8. Indian

二、词汇运用
用所给单词的适当形式填空。
1. It's (common) to use a knife to eat in most Asian countries.
2. Many foreigners find it interesting to learn how to use (chopstick) when they first come to China.
3. The waiter (serve) dishes to ev - ery table just now.
4. As we all know，different countries have different (culture) traditions，so we should always respect them.
5. She felt (embarrass) when she realized she did an (embarrass) thing before.

二、1. uncommon 2. chopsticks 3. served 4. cultural 5. embarrassed; embarrassing