If fossil fuel prices remain low for a long time, it may lead to higher emissions of greenhouse gases.
A: A
B: B
C: C
D: D
E: E
F: F
G: G
H: H
I: I
J: J
K: K
L: L
M: M
N: N
O: O
A: A
B: B
C: C
D: D
E: E
F: F
G: G
H: H
I: I
J: J
K: K
L: L
M: M
N: N
O: O
举一反三
- 以下选项_____不是下图的宽度优先遍历序列。[img=1398x805]180308a9a445f86.png[/img] A: A,B,D,C,E,K,F,J,H,I,G,O,L,M,N B: A,B,D,C,E,K,F,J,G,H,I,M,L,N,O C: A,B,D,C,E,K,F,J,G,H,I,L,M,N,O D: A,D,B,C,E,K,F,J,G,H,I,M,L,N,O
- 以下选项_____不是下图的深度优先遍历序列。[img=1398x805]1803bf9eeace649.png[/img] A: A,B,C,E,F,D,J,H,I,G,K,O,L,M,N B: A,B,C,E,F,D,K,G,I,H,J,L,M,N,O C: A,B,C,E,D,K,G,I,H,J,F,O,M,N,L D: A,B,C,E,J,H,I,G,K,D,F,O,M,N,L
- The popularity of online courses may eliminate many teaching jobs. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O
- A number of factors are driving down the global oil prices not just for now but in the foreseeable future. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O
- The less curious a child is, the less knowledge the child may turn out to have. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O