3. Sociologists had spent much of the 20th century trying to understand poverty and shifting class stratifications across the ____.
(A) spectrum
(B) spell
(C) senility
(D) sophistication

複選題39. The existence of water channel had been proposed since 1970 but was eventually identified till 1992 by Peter Agre. Which of the following sentences could support the existing of water channel on the membrane of a cell? (A) The transport of water is ATP-independent. (B) Red blood cells, but not the frog eggs, swell with water. (C) Mercurials would inhibit water transport in red blood cells. (D) There is a maximal rate (Vmax) for water transport of red blood cells. (E) Water (H2O) crosses through the red blood cell membrane with almost no resistance, while acid hydronium ion (H3O+) does not permeate.

複選題40. Cells convert external nutrients as sources of energy into biologically universal, intracellular, chemical energy carrier, adenosine triphosphate (ATP). Which of the following descriptions about cellular energetics are CORRECT? (A) Glucose oxidation in eukaryotic cells can be divided into four stages: glycolysis, citric acid cycle, electron transport chain and ATP synthesis, where all take place in mitochondria. (B) The oxidation of short- to long-chain fatty acids occurs in mitochondria with production of ATP, whereas oxidation of very long-chain fatty acids occurs primarily in peroxisomes and is not linked to ATP production. (C) The rate of glucose oxidation via glycolysis is regulated by the inhibition or stimulation of several enzymes, depending on the cell's need for ATP. (D) Neither glycolysis nor the citric acid cycle directly use molecular oxygen. (E) ATP synthase catalyzes ATP synthesis as electron flow through the inner mitochondrial membrane down their electrochemical gradient.

1. The Biden administration has already been stepping up ____ with Saudi Arabia on a variety of issues in recent months. (A) cooperation (B) complication (C) commencement (D) coagulation

2. The tools that Russian forces are using to wage war are often powered by American ____. (A) interaction (B) insinuation (C) innovation (D) inculcation

4. Dungeons & Dragons turned out to ____ as a perfect bridge from statistics-oriented, win-or-lose simulations of complex combat to character creation and story-oriented play. (A) spend (B) send (C) sense (D) serve

5. From abroad, the American flag is a straightforward stand-in for the ____-state. (A) group (B) nation (C) people (D) human

6. The President of PEN Germany recently ____ that "the enemy is Putin, not Pushkin," relying on word games to protest against the idea of a "blanket boycott" of Russian culture. (A) defused (B) descended (C) declared (D) demoted

7. With his threats to use the bomb, Russia's president has ____ the nuclear order. (A) overturned (B) overreacted (C) overstepped (D) overwhelmed

8. The historic Maya ____ their calendars and rituals to celestial events. (A) amplified (B) anticipated (C) audited (D) anchored

9. Despite the increase in anti-Asian hate crimes in the U.S., one-third of Americans ____ unaware of the situation. (A) recede (B) remain (C) represent (D) retinue