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【单选题】
用MCS-51的定时器T1作计数方式,用模式2,则工作方式控制字为( )。A.
60H
B.
02H
C.
06H
D.
20H
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反馈参考答案：
举一反三
【单选题】淀粉、 脂肪和蛋白质在人体消化道内被消化液消化的先后顺序对的是( )
A.
淀粉、脂肪、蛋白质
B.
淀粉、蛋白质、脂肪
C.
脂肪、淀粉、蛋白质
D.
蛋白质、淀粉、脂肪
【单选题】淀粉、脂肪和蛋白质在人体消化道内被消化液消化的先后顺序正确的是 [ ]
A.
淀粉 脂肪 蛋白质
B.
淀粉 蛋白质 脂肪
C.
脂肪 淀粉 蛋白质
D.
蛋白质 淀粉 脂肪
【简答题】 1. The
method of deriving poverty line by calculating the minimum cost of living on
absolute and objective grounds is called (_______) method. (1word, 8characters)
【简答题】The dynamic range of a signal V is the ratio of the maximum to the minimum absolute value, expressed in decibels. The dynamic range expected in a signal is to some extent an expression ofthe signal qu...
【单选题】A typical datasheet for an electronic component contains most of the following information: product name,manufacturer’s name, list of available packages and ordering codes, short functional descriptio...
A.
包含
B.
封装
C.
订购
D.
制造商
【单选题】A typical datasheet for an electronic component contains most of the following information: product name,manufacturer’s name, list of available packages andordering codes, short functional description...
A.
运行环境
B.
波形图
C.
物理尺寸
D.
应用电路
【单选题】A typical datasheet for an electronic component contains most of the following information: product name,manufacturer’s name, list of available packages andordering codes, short functional description...
A.
功能描述
B.
管脚连接
C.
绝对额定值
D.
最小值/最大值
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