The use of magstripe cards by American retailers leaves consumers exposed to the risks of losing account information.
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
- Credit cards are much safer to use than debit cards. 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
- 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
- Merian was the first scientist to study a type of American ant. 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 P: P
- Abundant information about cooking is available either online or on TV. 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 P: P