50 Innovations, such as the steam engine, electrification and digitalization, have _____ radical changes in the way in
which we produce goods and services. (A) underpinned (B) underestimated (C) undercovered (D) undermined
49 The surgeon was pleased with the result and scheduled a _____ meeting with the patient one week after the surgery
to make sure that everything is under control. (A) choke-up (B) make-up (C) catch-up (D) follow-up
47 Cosmestics sales went up to 50% when the ladies who wish to brighten up their skins heard that the new liquid
concealer could _____ the complexion. (A) illuminate (B) amplify (C) animate (D) humidify
46 The United States has experienced a dramatic increase in overdose deaths over the past 20 years, which has been
well documented and largely _____ to what has been termed the opioid crisis or opioid epidemic. (A) accumulated (B) attributed (C) abbreviated (D) acclaimed
45 The civil rights movement lasting for a decade caused some violent incidents and marked a period of social _____
in the country. (A) burglary (B) syndrome (C) tendency (D) upheaval
44 The interdependence of nature and humankind serves to stress the mutual obligations that should evoke a sense of
universal _____. (A) fraternity (B) frivolity (C) fraudulence (D) frontier
42 Food insecurity refers to a spectrum of experiences that encompass worries about running out of food or making
_____ in food quality because of limited funds. (A) compromises (B) commodities (C) comprehension (D) compassion
38 The author makes the relationship of the humanities and environment a core concern, insisting on the profound
importance of their _____. (A) ambiguity (B) hostility (C) linkage (D) hospitality
35 Unfortunately, many could see that the public health insurance and its new regulations could _____ the poor from
getting the medical care they need. (A) invade (B) inhibit (C) involve (D) indulge