题目内容

汽车发动机排放的主要污染物包括（）

A. NOx、HCO2
B. NHCO及微粒物质
C. HCO2及微粒物质
D. HCO2

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Google云计算技术中，（）是文件级别的存储.

A. Google GFS
B. Google MapReduce
C. Google BigTable
D. Google Chubby

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交接班和人员上下井的时间内，严禁运送爆炸材料。

A. 正确
B. 错误

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鲜叶作为制作茶叶的基本原料，乌龙茶产区也称为（）。

A. 茶青
B. 青叶
C. 生叶
D. 原叶

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You encrypt three files to ensure the security of the files. You want to make a backup copy of these three files and maintain their security settings. You have the option of backing up to either the network or a floppy disk. What should you do？（）

A. Copy the files to a network share on an NTFS volume. Do nothing further.
B. Copy the files to a network share on a FAT32 volume. Do nothing further.
Copy the files to a floppy disk that has been formatted by using Win2000 Professional. Do nothing further.
D. Place the files in an encrypted folder. Then copy the folder to a floppy disk.

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汽车发动机排放的主要污染物包括（）

A. NOx、HCO2 B. NHCO及微粒物质 C. HCO2及微粒物质 D. HCO2

Google云计算技术中，（）是文件级别的存储.

交接班和人员上下井的时间内，严禁运送爆炸材料。

鲜叶作为制作茶叶的基本原料，乌龙茶产区也称为（）。

You encrypt three files to ensure the security of the files. You want to make a backup copy of these three files and maintain their security settings. You have the option of backing up to either the network or a floppy disk. What should you do？（）

A. NOx、HCO2
B. NHCO及微粒物质
C. HCO2及微粒物质
D. HCO2