It is believed that milk something that will promote the health of human beings. A: regains B: contains C: maintains D: covers

中国大学MOOC: What sustains Marks faith in survival when he regains his consciousness and finds he is left alone?

中国大学MOOC: What are the problems Mark need to address when he regains his consciousness and finds he is left alone on Mars?

‏What are the problems Mark need to address when he regains his consciousness and finds he is left alone on Mars?‌ A: Water and food supply B: Where to get oxygen C: How to get power D: How to move around

What are the problems Mark need to address when he regains his consciousness and finds he is left alone on Mars? A: Water and food supply B: Where to get oxygen C: How to get power D: How to move around

What are the problems Mark needs to address when he regains his consciousness and finds he is left alone on Mars? A: Water and food supply B: Where to get oxygen C: How to get power D: How to move around

What sustains Mark's faith in survival when he regains his consciousness and finds he is left alone? A: His faith in his growing his own food. B: His faith in being rescued soon. C: His faith in being the first settler on Mars. D: His faith in survival with his strong will as well as his expertise.