题目内容

下列选项中,()最适宜作盆栽蝴蝶兰的基质。

A. 苔藓
B. 沙土
C. 粗砂
D. 黏土

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碎煤机运行中无明显振动,振动值不应超过()。

A. 0.4mm
B. 0.3mm
C. 0.2mm
D. 0.1mm

You are implementing an ASP.NET application that uses data-bound GridView controls in multiple pages. You add JavaScript code to periodically update specific types of data items in these GridView controls. You need to ensure that the JavaScript code can locate the HTML elements created for each row in these GridView controls, without needing to be changed if the controls are moved from one page to another. What should you do?()

A. Replace the GridView control with a ListView control.
B. Set the ClientIDMode attribute to Predictable in the web.config file.
C. Set the ClientIDRowSuffix attribute of each unique GridView control to a different value.
D. Set the @ OutputCache directives VaryByControl attribute to the ID of the GridView control.

离心式主油泵要正常工作需配备()。

列队上班途中,须整齐列队,用()提票箱,并不得在队列中交头接耳、嬉笑打闹,队列行进到指定位臵后方可散开。

A. 右手
B. 左手
C. 右手或左手

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