中国大学MOOC: Tear ducts (泪腺) operate on a normal basis to and protect the eye. When you have an emotion, they overact and create tears. (lubrication)
lubricate
举一反三
- Tear ducts (泪腺) operate on a n...tears. (lubrication)
- 中国大学MOOC: When you start a sentence with a dependent word, be careful not to create a/an________.
- The focus of a near-sighted eye is different from that of a normal eye. A: 中心 B: 集中 C: 对准 D: 焦点,焦距
- 5.According to what you have learned, which of the following is true?(多选) A: The red blood cells will collect around the tears when the injured tissue swells up. B: Oxygen deprivation(缺失) causes cardiac muscle cells to die. C: When you have atherosclerosis(动脉粥样硬化), you can find fat and cholesterol floating in your blood. D: The extra strain on the arterial wall produce big tears.
- 中国大学MOOC: When checking out, you have to return the keys.
内容
- 0
中国大学MOOC: When you create the meeting agenda, your arecreating the road map of the meeting and planning the ____________.
- 1
中国大学MOOC: When you have been accepted in to a college and have a valid ID card, you are ready to apply for a visa.
- 2
中国大学MOOC: When you report the details of the table, you have to describe everything listed in the table.
- 3
You are supposed to have a(an) ____ with your interviewer when being interviewed. A: eye contact B: debate
- 4
中国大学MOOC: You don’t have to mention reasons or meanings of the event when you write an invitation.