“Self-preservation” (Line 5, Para. 5) means ______.

What does the word “contaminating” (Line 5, Para.3) mean? What does the term “usher in” (Line 5, Para.4) mean? It was the time of surging anti-Semitism inBerlin. (Para. 5) “Office politics” (Line2, Para.5) is used in the passage to refer to _____. The author mentions the example of “backpacks” (Line 5, Para.2) to show the importance of _____. The word "burnout"(Line4,Para.5) here refers to the state of _____. 5.WhenSuereceivedherlastunemploymentcheck,shefeltawaveofprofoundgrief.(Para.7,L1) 下面Python代码输出为：()def default_para_without_trap(para=[]，value=0):if not para:para=[]para.append(value)return para print(‘第一步:{}’.format(default_para_trap(value=100))) print(‘第二步:{}’.format(default_para_trap(value=50))) In para5, the topic is that the bathroom is a mess. How does the author solve the problem（） pleasure (Para. 9): , (Para. 9) The word “they” in “... together they threaten to confuse.” (Line 3-4, Para.5) refers to _____. Section 2 (Para. 5): Workers and laborers differ in the amount of ___________ they derive from their jobs. Q：What does Louis Uchitelle mean by “the disposable American” （Line 3, Para. 5）（） A pervasive Internet coupled with the right mobile technology could make it happen. （Para. 5）（） It’s becoming increasingly clear that all three of these possible revolutions are reaching maturity, … （Para. 5）（） We learn from Para. 8 and Para. 9 that _____. How did Malcolm X move from basic literacy toward true proficiency？ （Para. 5）（） “…people who die wondering: What if ?”(Lin4-5, Para-3) refers to “those （）”. Which point is Not contrasted from Para. 11 to Para. 13? By saying “While it’s true that ..., be they scientific or artistic” (Lines 1-3, Para.5), the author means that _____.