皮皮学，免费搜题
登录
搜题
【单选题】
某些红外对射装置生产厂家为了节约成本采用ABS外壳，造成易老化，光学性能下降，由此会造成（）。A.
漏报
B.
短路
C.
误报
D.
断路
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】关闭当前程序的快捷键是___________,多任务切换的快捷键是___________,启动任务管理器的快捷键是___________。
【单选题】Suppose we developed the following least squares regression equation: . What can we conclude?
A.
The dependent variable increases 3.5 for each unit increase in X.
B.
The equation crosses the Y-axis at 2.1.
C.
If X = 5, then is 14.
D.
There is a significant positive relationship between the dependent and independent variables.
【简答题】Unit 1 Detailed reading_翻译练习题目.ppt
【单选题】Which of the following is not an advantage of selfsourcing?
A.
It increases the speed of systems development.
B.
It analyses the various design alternatives which lead to subpar IT systems.
C.
It increases end user participation and sense of ownership.
D.
It improves requirements determination.
【简答题】Unit 2 Part 2 Practice A (page 26) Dialogue Product Source of information Willingness to establish business relations Buyer (importer) Seller (exporter) 1 (1) market survey yes (2) 2 (3) Chamber of Co...
相关题目：