举一反三
- One of the requirements for a fire is that the material to its burning temperature.
- The fire ______ for three hours before the fire fighters arrived. A: had been burning B: had burned C: would have burning D: has been burning
- A<br/>pilot point is both a difficult point and a breakthrough point. ()
- Feeling as if caused by heat or fire pain is burning pain.
- Why can explosives be used to stop the fire from burning?
内容
- 0
When the requirements of the job are change, it is unfair for the company to fire the employees.
- 1
If ignited，which material would be a class B fire?（）
- 2
In the vector field, the vector line is such a curve where ( ) A: The tangent direction at each point on it is orthogonal to the direction of the vector field at that point. B: The tangent direction at each point on it is parallel to the direction of the vector field at that point. C: The value of each point on it is equal to the value of the vector field at that point. D: The vector line is the geometric curve of the vector field function.
- 3
Your essay is unified if you advance a single point and stick to that point.
- 4
This dress is _________ (expensive/overpriced). You see, its material is low-end and crumples easily. (Choose the appropriate one from the given words, and fill in the blank.)