Among the following, “ ______ ”are fixed expressions used to greet others in English.

Please use “nurse”, “bank clerk”, and “truck driver” as examples to define the terms of “white-collar jobs”, “blue-collar jobs” and “pink-collar employees”.

disadvantaged families

Define a proverb and illustrate how proverbs are related to culture in different cultures, by referring to the following groups of examples.(1) God help those who help themselves. 平时不烧香，临时抱佛脚。(2) Rats desert a sinking ship. 树倒猢狲散。

a green Christmas

善意的谎言

Man proposes, God disposes.

真不知道怎么感谢你才好。

In English culture, there are four interpersonal distance zones: the intimate zone, the casual-personal zone, the socio-consultative zone and the public zone. Please decide which zone matches with each of the following situations:

(1) conversations with relatives;

(2)business discussion;

(3) public lectures;

(4) staying with spouses and kids

人不犯我，我不犯人。

What is logical thinking and artistic thinking?