依照国际惯例，涉外交往中基本的礼仪要求之一是______。 A．增

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问题单项选择题

依照国际惯例，涉外交往中基本的礼仪要求之一是______。

A．增加交流，增强友谊
B．左尊右卑，女士优先
C．遵守诺言，尊重上级
D．入乡随俗，求同存异

答案

参考答案：D

句型转换

根据所给要求，改写下列句子。每空格限填一词。

1. The new flat cost Mr. Black a lot of money. (改为否定句)

The new flat ______ cost Mr. Black ______ money.

2. The red bike belongs to my mother. (对划线部分提问)

______ ______ belongs to your mother?

3. Whiz-kid Wendy's never late for work.（改为反意疑问句）

Whiz-kid Wendy's never late for work, _____ _____?

4. The boy is so strong that he can carry the heavy safe easily. (改为简单句)

The boy is strong ______ ______ carry the heavy safe easily.

5. By the time he was six, he had started learning Japanese. (保持句子原意)

He ______ learning Japanese ______ he was six.

6. James Nai. Smith, a Canadian doctor invented basketball. (改为被动语态)

Basketball ______ ______ by James Nai. Smith, a Canadian doctor.

单项选择题

氨基酸转氨酶和脱羧酶的辅酶含有（）

A．维生素B₁

B．维生素B₆

C．维生素PP

D．生物素

E．泛酸