题目内容

制备呋喃甲醇和呋喃甲酸的反应完成后，加水稀释时不宜加水过多，原因是什么？

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How do the people in Saudi Arabia greet each other?

A. waving hands
B. hugging
C. shaking hands
D. touching noses

In farewells, the people in English-speaking countries usually say_________.

A. Nice to meet you
B. It’s nice of meeting you
C. Goodbye
D. Thank you

In which country, OK gesture is considered as an insulting sign?

A. China
B. Latin America and France
C. England
D. Japan

Which stage is regression phase in culture shock?

A. One
B. Two
C. Three
D. Four