Home schooling belongs to the past and is unacceptable in modern society. To what extent do you agree or disagree with this statement？ Use your own knowledge and experience and support your arguments
A. Examples
B. Personal narrative
C. Process
D. Classification
E. Definition
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These days, it seems that an increasing number of people are leaving rural areas to live in the city. Discuss some of the effects of rural depopulation （migration from the country to the city） and sug
A. Cause and effect
B. Examples
C. Definition
D. Classification
E. Process
The mechanism of increased PaCO2 to stimulate respiratory center is mainly due to（）
A. CO2 directly stimulates the central chemoreceptor in the medulla oblongata
B. CO2 increases H+ concentration in cerebrospinal fluid, which stimulates the central chemoreceptor in the medulla oblongata
C. H+ stimulates chemoreceptor of the carotid body
D. CO2 stimulates chemoreceptor of the carotid body
E. CO2 stimulates chemoreceptor of the aortic body
Patients with hypokalemia may appear（）
Abnormal acid urine
B. Abnormal alkaline urine
C. Neutral urine
D. Metabolic acidosis
E. Respiratory acidosis
The correct description of edema is（）
A. Hypernatremia fluid excess
B. Hyponatremia fluid excess
C. Excess fluid accumulates in the cell
D. Excess fluid accumulates in the blood vessels
Excess fluid accumulates in interstitial space or body cavities
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