往下猛拉氧气面罩让他开始充气。 A: Pull the oxygen mask with a continuous movement to start the flow of oxygen. B: Pull the oxygen mask with a gentle movement to start the flow of oxygen. C: Pull the oxygen mask with a sudden movement to start the flow of oxygen.
往下猛拉氧气面罩让他开始充气。 A: Pull the oxygen mask with a continuous movement to start the flow of oxygen. B: Pull the oxygen mask with a gentle movement to start the flow of oxygen. C: Pull the oxygen mask with a sudden movement to start the flow of oxygen.
突然拉下氧气面罩，启动氧气流动 A: Pull the oxygen mask with a sudden movement to start the flow of oxygen. B: Jerk the oxygen mask to start the flow of oxygen.
突然拉下氧气面罩，启动氧气流动 A: Pull the oxygen mask with a sudden movement to start the flow of oxygen. B: Jerk the oxygen mask to start the flow of oxygen.
Page 93-95 Part 6 Paragraph C6. What main idea is the writer implying? A: All chemical reactions require oxygen. B: Oxygen is vital to human life. C: Less than a fourth of the air we breathe is oxygen. D: The respiratory system and the cardiovascular system work together.
Page 93-95 Part 6 Paragraph C6. What main idea is the writer implying? A: All chemical reactions require oxygen. B: Oxygen is vital to human life. C: Less than a fourth of the air we breathe is oxygen. D: The respiratory system and the cardiovascular system work together.
Page 93-95 Part 6 Paragraph C7. Which one of the following details does not support the paragraph’s implied main idea? A: All the nutrients in the world are useless to humans. B: The chemical reactions that release energy from foods use oxygen. C: Oxygen is an important component of the air we breathe. D: The respiratory and cardiovascular systems supply oxygen to the blood and body cells.
Page 93-95 Part 6 Paragraph C7. Which one of the following details does not support the paragraph’s implied main idea? A: All the nutrients in the world are useless to humans. B: The chemical reactions that release energy from foods use oxygen. C: Oxygen is an important component of the air we breathe. D: The respiratory and cardiovascular systems supply oxygen to the blood and body cells.
Water ________ hydrogen and oxygen.
Water ________ hydrogen and oxygen.
Water is ____________ of hydrogen and oxygen.
Water is ____________ of hydrogen and oxygen.
戴上氧气面罩呼吸。 A: Breathe into the oxygen mask. B: Exhale into the oxygen mask. C: Inhale into the oxygen mask.
戴上氧气面罩呼吸。 A: Breathe into the oxygen mask. B: Exhale into the oxygen mask. C: Inhale into the oxygen mask.
The oxygen partial pressure or the amount of oxygen in arterial blood is called:
The oxygen partial pressure or the amount of oxygen in arterial blood is called:
2. When isotonic hypoxemia occurs A: Reduced blood oxygen content B: Decreased partial pressure of arterial blood oxygen C: Decreased oxygen saturation of hemoglobin D: Normal blood oxygen content E: Tissue cell utilization oxygen disorder
2. When isotonic hypoxemia occurs A: Reduced blood oxygen content B: Decreased partial pressure of arterial blood oxygen C: Decreased oxygen saturation of hemoglobin D: Normal blood oxygen content E: Tissue cell utilization oxygen disorder
They provide us with food, wood and most (important), oxygen.
They provide us with food, wood and most (important), oxygen.