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【简答题】
统计学的研究方法主要有五种：（）、（）、（）、（）、（） A. 大量观察法、统计分组法、综合指标、统计模型法、归纳推断法
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举一反三
【单选题】-- I doubt whether I can be admitted to my dream university in two months.-- ______. Everything is possible. [ ]
A.
Don't mention it
B.
Never give up
C.
Behave yourself
D.
It depends
【单选题】- What can I do for you, Madam? -I'd like ________. [ ]
A.
two kilos of meat
B.
two kilo of meat
C.
two kilo of meats
D.
two kilos of meats
【单选题】下面的说法中，正确的是(8)。
A.
一个完整的计算机系统由硬件系统和输入、输出系统组成
B.
计算机区别于其他计算工具最主要的特点是能存储和运行程序
C.
计算机可以直接对磁盘中的数据进行加工处理
D.
16位字长的计算机能处理的最大数是16位十进制数
【单选题】'Can I help you?' 'I would like ______.' [ ]
A.
two glass of oranges
B.
two glasses of oranges
C.
two glasses of orange
D.
two glass of orange
【单选题】.Hardly_______when the fans began to scream with excitement.A．the star showed upB．did the star show
A.
Hardly_______when the fans began to scream with excitement. A.the star showed up
B.
did the star show up
C.
had the star showed up
D.
the star had showed up
【单选题】When the star showed up on the stage, the ______ began to cheer( 欢呼).
A.
audience
B.
candidate
C.
baseball
【单选题】将下图电路等效为一个电压源,则其等效电压和等效内阻分别为:
A.
Us=6V；Rs=6Ω
B.
Us=6V；Rs=3Ω
C.
Us=0V；Rs=3Ω
D.
Us=0V；Rs=6Ω
【简答题】When the sports star showed up at the gate of the airport, some of his young female (女 ) ( ) got excited and started shouting.
【简答题】用作图法绘制直动从动件盘形凸轮廓线时,常采用_____法。即假设凸轮_____,从动件作绕凸轮轴线的反向转动和沿从动件导路方向的往复_____的复合运动。 A 静止不动 B 移动 C 反转
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