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【单选题】
在 EXCEL 中,某公式中引用一组单元格,它们 是( C3 , D7 , A2 , F1 ),该公式引用单元格的总数为()A.
4
B.
8
C.
12
D.
16
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反馈参考答案：
举一反三
【简答题】（）的特点是径向尺寸紧凑，刚性好，因其返回滚道较短，摩擦损失小。缺点是反向器加工困难。
【单选题】According to the third paragraph, which of the following is true?
A.
A fossilized animal's appearance is usually restored accurately.
B.
It is difficult to restore some fossilized animals because they had no external parts.
C.
The prehistoric elephants are hairless.
D.
An extinct animal does not definitely look like its living relatives.
【单选题】The reconstruction of a fossilized animal's external appearance is considered necessary in order to______.
A.
satisfy popular curiosity
B.
answer scientific questions
C.
establish its activities
D.
determine its eating habits
【单选题】在集成运算放大器（以下简称集成运放，且均为理想型集成运放）的两个工作区中，当集成运放工作在_______时，输出为正向或负向饱和电压。
A.
线性区
B.
非线性区
C.
线性区 和线性区均可
D.
线性区 和线性区都不对
【单选题】— When did Yao Ming _______ the Houston Rockets in the NBA? — I’m not sure. Was it in 2002?
A.
join
B.
join in
C.
take part in
【单选题】According to the third paragraph, which of the following is true?
A.
A fossilized animal’s appearance is usually restored accurately.
B.
It is difficult to restore some fossilized animals because they had no external parts.
C.
The prehistoric elephants are hairless.
D.
An extinct animal does not definitely looked like its living relatives.
【单选题】The fossilized remains of a type of camel ______ a dog have been found in the Bad Lands to South Dakota.
A.
no smaller than
B.
not smaller than
C.
no larger than
D.
not larger than
【简答题】Yao
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