A user installed a Blu-Ray drive in their PC. The user reports that the new drive and their existing DVD-RW drive are not operating. Which of the following needs to be replaced?（）

[单选题]英国人和加拿大人鲜花的禁忌是（）。

[判断题]商标忠诚性是一种学习的过程。

[多选题]税法规定，合并企业支付对价的形式包括股权支付和非股权支付，下列属于非股权支付形式的有（）。

[单选题]牙周袋深度4～5mm，早期牙周病（　　）。

[单选题]下列哪项不是肠外营养的并发症（）

[填空题]ZJ型泵采用（），保证了浆体不易泄露。

[单选题]不同作业组分别作业时，（）共用行车防护人员。

[问答题]悬挂式点焊机由哪些部分组成？

[名词解释题]公平交易权

[单选题]以原发病例接触者人数为分母的是（）

[单选题]A user installed a Blu-Ray drive in their PC. The user reports that the new driv...

[单选题]A user has just installed an application that is causing system instability and ...

[单选题]Which device is installed in user devices and makes wireless connections between...

[单选题]Which device is installed in user devices and makes wireless connections between...

[单选题]A user reports that a newly installed external CD-RW is not working. Jill, a tec...

[单选题]A user states that whenever they try to launch a certain installed application, ...

[单选题]A user suspects that a recently installed program overwrote a Windows system fil...

[单选题]One user has a Video Capture Card installed on her pc. She uses it to capture vi...

[单选题]在JSP中要使用user包中的User类，则以写法正确的是（）。

[单选题]组A对某文件具有本地读取权限，组B对该文件有修改的权限，用户server同时属于A组和B组。那么User同时属于A组和B组，那么User对该文件的权限是（）