阅读下面短文，从框内6个选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。

A. after           B. and           C. on          D. a         E. but       F. because

How do you celebrate your birthday? With a cake, a party for your friends and family? In some countries, birthday celebrations are really unusual.

In China, a birthday child usually eats very long noodles with eggs. People never cut up the noodles ___1___ they are a symbol of long life, and eggs mean good luck.

In some parts of India, when a child has their first birthday, their parents cut off all their hair hair. The child wears colorful clothes ___2___ gives chocolate to their friends.

In Korea, they celebrate day number 100 ___3___ the child is born. Families make sure a birthday child gets many rice cakes with honey. When ___4___ child gets 100 rice cakes, this means they will live a happy and long life.

When children in Denmark wake up ___5___ their birthday, they find gifts all around their beds. That’s why some of the children are so excited that they cannot fall asleep the night before!

1.1.

A

B

C

D

解析：选F。连词词义与逻辑关系辨析。前半句 “从不切断面条”，后半句 “是长寿的象征”，后半句是前半句的原因，because 表因果关系，符合逻辑；其他选项无因果含义。

2.2.

A

B

C

D

解析：选B。连词词义与逻辑关系辨析。“穿上彩色衣服” 和 “给朋友分巧克力” 是并列的动作，and 表并列关系，连接两个连续的行为；其他选项无法体现并列。

3.3.

A

B

C

D

解析：选A。介词词义与语境搭配。韩国 “百天庆祝” 是在孩子出生之后，after 表 “在…… 之后”，符合 “出生后第 100 天” 的语境；on（在…… 之上 / 具体日期）不符合语义。

4.4.

A

B

C

D

解析：选D。冠词用法辨析。此处泛指 “一个孩子”，child 是可数名词单数，且发音以辅音音素开头，用不定冠词 a 修饰；其他选项无此语法功能。

5.5.

A

B

C

D

解析：选C。介词词义与时间搭配。“生日当天” 是具体日期，时间介词 on 用于具体某天，符合 “在生日那天醒来” 的表达；after（在…… 之后）不符合语境。