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【判断题】
线性表中元素可以是各种各样的,但同一线性表中的数据元素一定具有相同的特性。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Why did the writer cry eventually when she looked at the skirts again?
A.
she suddenly felt very sad.
B.
she liked the ribbons so much.
C.
she was overcome by emotion.
D.
she felt sorry for the woman.
【简答题】触电急救必须分秒必争，立即就地迅速用()进行抢救。
【单选题】设A={（x，y）|y=-4x+6}，B={（x，y）|y=5x-3}，则A∩B=（ ）
A.
{1，2}
B.
{（1，2）}
C.
{x=1，y=2}
D.
（1，2）
【单选题】Why did the writer cry eventually when she looked at the skirts again?
A.
She suddenly felt very sad.
B.
She liked the ribbons so much.
C.
She was overcome by emotion,
D.
She felt sorry for the woman.
【单选题】设 a =( x 1 ， y 1 ) ， b =( x 2 ， y 2 ) ，若 | a |=2 ， | b |=3 ， a ? b =-6 ，则 x 1 + y 1 x 2 + y 2 =（ ）
A.
2 3
B.
3 2
C.
- 2 3
D.
- 3 2
【单选题】Why did the writer finally decide to buy three skirts?
A.
The skirts were cheap and pretty.
B.
She liked the patterns on the skirts.
C.
She wanted to do something as compensation.
D.
She was fed up with further bargainning with the woman.
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