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【单选题】
下列关于自定义控件说法错误的是（ ）。A.
在使用自定义控件时，必须先声明命名空间
B.
当引用自定义控件时，需要使用控件的全路径
C.
声明控件命名空间的格式为“xmlns:前缀=http://schemas.android.com/apk/res/控件所在的包路径”
D.
自定义控件编写完成后拖到直接使用即可。
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反馈参考答案：
举一反三
【单选题】When the present value of the cash inflows exceeds the initial cost of a project, then the project should be:
A.
accepted because the internal rate of return is positive.
B.
accepted because the profitability index is greater than 1.
C.
accepted because the profitability index is negative.
D.
rejected because the internal rate of return is negative.
【单选题】Before a project can be planned, ( ) should be established.
A.
estimates of the cost
B.
product objectives and scope
C.
an effective assessment of risk
D.
a realistic breakdown of project tasks
【单选题】以下哪种说法错误
A.
神经损伤特征表现为腕下垂
B.
尺神经损伤特征表现为爪形手
C.
正中神经损伤特征表现为猿手
D.
肘关节后脱位特征表现为成角畸形
E.
Colles骨折特征表现为餐叉样畸形
【单选题】When the present value of the cash inflows exceeds the initial cost of a project, then the project should be:
A.
accepted because the internal rate of return is positive.
B.
rejected because the net present value is negative.
C.
rejected because the internal rate of return is negative.
D.
accepted because the profitability index is negative.
E.
accepted because the profitability index is greater than 1.
【单选题】以下哪种说法错误()
A.
桡神经损伤--腕下垂
B.
正中神经损伤--'猿'手
C.
尺神经损伤--爪形手
D.
肘关节后脱位--成角畸形
E.
Colles骨折--餐叉样畸形
【单选题】When the present value of the cash inflows exceeds the initial cost of a project, then the project should be:
A.
accepted because the internal rate of return is positive.
B.
accepted because the profitability index is greater than 1.
C.
accepted because the profitability index is negative.
D.
rejected because the net present value is negative.
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