21. The survival rate for many cancers has improved considerably over recent decades, due to the development of________to treat the condition.
(A) chemistry
(B) thermoplastic
(C) chemotherapy
(D) chemistry
(E) eradication

17. According to the cover story published in Cell Reports in the issue dated 14th September 2021, a Taiwan researdi team has found a link between single neuron activity and anxiety-related behavior. Their study uncovers an anxiety-related cell in the hippocampus, which ________anxiolytic efffscts, so it sheds light on the prospect of brain circuit intervention in mental disorders. (A) mediates (B) meditates (C) mitigate (D) motivates (E) ruminates

18. The________. which are located between the ribs and the pelvis, support upper body, facilitate movement and hold organs in place. (A) diaphragm (B) abdominals (C) deltoids (D) temporal lobes (E) biceps

19. The doctor ________a new idea to reverse aging. (A) made out (B) hit upon (C) gave away (D) put off (E) rammed into

20. Adequate hydration is essential for efficient sweating and heat________. It is the reason why we need to drink enough water to avoid heat strokes. (A) dissipation (B) precipitation (C) irrigation (D) saturation (E) satiation

22. In anatomy classes, medical students may have to dissect________ to study the structure, organization, and relationships of organs. (A) accomplices (B) massacres (C) forensics (D) cadavers (E) prosthetics

23. The circulatory system is crucial for ________. which delivers oxygenated blood to tissues and organs in the body, ensuring tiiat they receive an adequate supply of oxygen and nutrients. (A) oxidation (B) detoxification (C)metastasis (D) transfusion (E) perfusion

24. Recent discoveries about________have done serious damage to the company's reputation. (A) proposition (B) rehabilitation (C) correlation (D) reciprocity (E) corruption

25. According to their study, methylxanthines, the chemical found in coffee, tea and dark chocolate can make brains healthier and more________. (A) resilient (B) respiratory (C) vivid (D) available (E) vulnerable

26. To protect patients, limits, researchers should obtain an informed ________from patients to ensure a clear understanding of the proposed treatment, potential risks, and alternatives. (A) sanction (B) ratification (C) waiver (D) consent (E) treaty

27. In the informational guidelines accompanying most drugs, manufacturers typically provide a comprehensive list of ________. outlining specific situations, medical conditions, or concurrent medications where the usage of the drug is advised 哪inst or requires careful consideration. (A) formulations (B) contraindications (C) expiration dates (D) dosages (E) origins of production