Many people believe changing the world is possible, though it may take time and involve setbacks.
A: A
B: B
C: C
D: D
E: E
F: F
G: G
H: H
I: I
J: J
K: K
A: A
B: B
C: C
D: D
E: E
F: F
G: G
H: H
I: I
J: J
K: K
举一反三
- Some people believe that there may not exist a stress gap between men and women. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L
- Many studies reveal that eating breakfast helps people memorise and concentrate. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K
- Many people eat out less often to save money in times of recession. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K
- Considering many people choose to keep it unreported, the annual number of victims of identity theft may exceed that of a recent report. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L
- 已知一棵二叉树的前序序列为：A，B，D，G，J，E，H，C，F，I，K，L；中序序列为：D，J，G，B，E，H，A，C，K，I，L，F。该二叉树的后序序列为（）。 A: J，H，F，B，G，D，K，L，I，F，C，A B: J，G，E，B，K，L，D，H，I，F，C，A C: J，G，D，H，E，B，K，L，I，F，C，A D: J，G，D，H，E，B，K，L，I，F，A，C