A: Because of the higher pressure.
B: Because of the lower pressure.
C: Because of the high speed.
D: .Not mentioned.
举一反三
- Air tends to flow from a _______ pressure area to a _______ pressure. A: high, lower B: low, higher C: high, high D: low, low
- Have you got enough information about their talk? Listen to the conversation again and choose the correct answers to the questions below. [br][/br] What is Ms. Liu’s advantage A: Developing software products. B: Doing housework. C: Playing the piano. D: Not mentioned.
- 2.Have you got enough information about their talk? Listen to the conversation again and choose the correct answers to the questions below. (6) Why does Mr. Anderson make a phone call to The United Airlines?/module/audioplay.html?objectid=03e0cc166c6c907071894a2e7938c7c2
- Water attains the boiling temperature quicker in the high elevations than at the low level. Because: A: . the air pressure is lower at high elevations B: . the gravitational force is low in the mountains C: . the sunlight is high in the higher elevations D: . All of them
- Part 1 Listening ComprehensionSection AA. Listen to the conversation. Choose the best answers to complete the sentences.[音频]Martin is feeling ill because he _______. A: is feeling hot and dizzy and has a sore stomach B: has a headache and a blocked nose C: has a sore throat and a runny nose
内容
- 0
What is the relationship between resolution and pixel? A: Because the resolution is higher, the number of pixels per inch is more. B: Because the resolution is lower, the number of pixels per inch is less. C: Because the resolution is lower, pixels are smaller. D: Because the resolution is lower, pixels are greater.
- 1
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.
- 2
Why do people of heart disease often feel uncomfortable while taking a flight A: Because low pressure can cause the air in body cavities to expand. B: Because medical devices implanted in their bodies expand. C: Because they tend to sit too long in a cramped position. D: Because the amount of oxygen flowing through their blood vessels is reduced and thus causing chest pains.
- 3
Listen to the conversation and answer Questions 9-11. At the beginning of the conversation, the woman thinks she keeps running out of money because ( ).
- 4
CO can cause a shift of the oxygen dissociation curve to left. At the apex of the lung, the arterial pressure is higher than alveolar pressure.