题目内容

The most important factor in determining the payment method is: _____

A. the distance between the buyer and the seller.
B. the nature of the merchandise
C. political and economic stability in either or both countries.
D. the nature and length of the business relationship between the buyer and the seller.

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Link the corresponding English and Chinese.

Translate the following into Chinese.1. True, there will be many people ready to help you, but you will often have to take the first step in whatever you choose to do.2. As a teacher, I always tell my students to work hard and keep up from day one.3. For a rich full life of college, you should make the most of the opportunities at hand.

教学语言中的用声是指在已经具备的语音条件基础上,充分发挥自身的语音潜力,达到较好的教学效果。( )

A. 对
B. 错

HDFS是hadoop的主要存储系统,下列关于hadoop的描述不正确的是

A. hadoop主要由主节点NameNode和从节点DataNode组成
B. 主节点NameNode负责存储大量的数据,从节点DataNode只负责存储少量的数据
C. 除了数据存储,主节点NameNode还负责管理文件命名空间,管控客户端对文件的访问等。
DataNode可以根据客户端请求执行相应的读写操作

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