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【单选题】
在比赛中我们往往记得第一位和最近出场的几位选手,而中间的选手较难分清,说的是记忆编码的哪个特征( )。A.
编码特异性
B.
系列位置效应
C.
别选我,我不是答案
D.
精细加工或编码
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反馈参考答案：
举一反三
【单选题】Your English is excel -Your English is excellent ! -_____
A.
Just so so.
B.
No,my English is poor.
C.
Thank you.
D.
You are right.
【多选题】变量dx、dy和dz的声明和初始化如下：double dx = (double) x; double dy = (double) y; double dz = (double) z;若float和double分别采用IEEE 754单精度和双精度浮点数格式，sizeof(int)=4，则对于任意int型变量x、y和z，以下哪个关系表达式是永真的？
A.
dx*dx >= 0
B.
(double)(float) x == dx
C.
dx+dy == (double) (x+y)
D.
(dx+dy)+dz == dx+(dy+dz)
E.
dx*dy*dz == dz*dy*dx
F.
dx/dx == dy/dy
【单选题】变量dx、dy和dz的声明和初始化如下: double dx = (double) x; double dy = (double) y; double dz = (double) z; 若float和double分别采用IEEE 754单精度和双精度浮点数格式,sizeof(int)=4,则对于任意int型变量x、y和z,以下关系表达式中永真的是(__)。
A.
(dx+dy)+dz == dx+(dy+dz)
B.
dx/dx == dy/dy
C.
dx*dy >= 0
D.
dx*dy*dz == dz*dy*dx
【单选题】— Your Chinese is so good! — But your English is better. So you can teach me English and I can teach you Chinese. — _____ [ ]
A.
What a pity!
B.
That's a deal!
C.
The same to you!
D.
I' m sorry to hear that.
【单选题】— Helen, your English is pretty good. How can I improve my English? —I think you can improve your English ______ reading more.
A.
at
B.
by
C.
on
D.
for
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