Which code， inserted at line 14， allows the Sprite class to compile？（）
A: Direction d = NORTH；
B: Nav.Direction d = NORTH；
C: Direction d = Direction.NORTH；
D: Nav.Direction d = Nav.Direction.NORTH；
A: Direction d = NORTH；
B: Nav.Direction d = NORTH；
C: Direction d = Direction.NORTH；
D: Nav.Direction d = Nav.Direction.NORTH；
D
举一反三
- Backing means the wind ___ . A: is changing clockwise in direction B: is changing anticlockwise in direction C: is changing cyclonically or variably in direction D: emains unchanged in direction at the time
- There is a special building in ancient Chinese cities named the Bell and Drum Tower, which is also the symbol of a city. It is generally built in which direction of the city ( ) . A: North B: South C: East D: Centres
- Mr. Black drove off _______ of Larry's Shop. A: in all directions B: under the direction C: in a direction D: in the direction
- How do they know which direction to go on a 12,000-mile journey?(direction)
- 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.
内容
- 0
How do they know which direction to go on a 12,000-mile journey?（direction） A: 距离 B: 方向 C: 指导
- 1
DNA polymerase probably synthesizes in the 5'→3'direction because A: that is the opposite direction of the replication fork B: that is the only way it can bind to DNA C: that allows synthesis to resume easily if one base needs to be removed D: this is the only direction permitted by the double helix
- 2
in a ... direction
- 3
The ball went towards a passing boat. It went ______ of a passing boat. A: forwards B: forward C: in the direction D: in direction
- 4
Direction There are 20