Section 1 (Para. 4):Workers and laborers are different in their _______ toward their work.

What was a space bubble? (Para. 4) It was ________________________________________________________.? Part4：Para18- The expression”the ups and downs”in Para. 4 means _______. The  word “lucid” (Para.4) refers to_______. Which is the closest in meaning to conflict ( Para. 4) ? The phrase "making it" (para.4) probably means （）. What does the word “zapping” (Para. 4) means? That people “protested at this practice”(in Para.4) means they_____________.　　 The phrase "come forward"(para. 4) is closest in meaning to（）. The underlined phrase “road congestion”in Para.4 refers to（）? By"held back"(Line 1,Para. 1) the author means"_______".　　 Why are people unwilling to “play the game” (Line 4, Para 3) _____. According to Scheetz’s statement (Para. 4), companies prefer _____. What does “struggling” (Para. 1) mean? The phrase"a characteristic behavior"in Para.1 refers to（）. The word "toxins" (Para. 1) probably refers to（）. The word "gadget"(para. 1) probably refers to（）. “... Old is suddenly in” (Line 1, Para.1) most probably means “_____”. By “held back” （Line 1, Para.1）, the author means___（） What does the term “usher in” (Line 5, Para.4) mean?