Tympanostomy tubes are meant to ______.
A: dissolve slowly.
B: replace medicines.
C: alleviate eardrum pressure.
D: reduce earaches.
A: dissolve slowly.
B: replace medicines.
C: alleviate eardrum pressure.
D: reduce earaches.
举一反三
- 3R管理理念中的3R是指 A: Reduce、Reuse、Recycle B: Reduce、Reuse、Replace C: Reuse、Recyle、Refine D: Reduce、 Replace、 Reduce
- The Harvard study has concluded that ______. A: children never benefit from ear surgery. B: tympanostomy tubes result in deafness. C: some surgeons are too eager to operate. D: ear tube operations are too expensive.
- “3R”原则不包括： A: recycle B: reuse C: reduce D: replace
- Which of the following about arterial blood pressure is correct? A: Average arterial pressure is the average of systolic and diastolic blood pressure. B: The variation of aortic pressure and left ventricular pressure is the same. C: The variation of aortic pressure and left ventricular pressure is the same. D: Arterial blood pressure increases with age in both men and women.
- 提供适度的压力。 A: Apply moderate pressure. B: A medium amount of pressure must be applied.