调配油墨的主要目的有（ ）、（ ）。[填空(1)] [填空(2)] 

雨が降ると、彼は（　　）遅れます。

问答题雨が降ると、彼は（　　）遅れます。

An article begins with some background information lead...

单项选择题An article begins with some background information leading to an issue, then lists arguments for and against it, giving evidence for different points of view, and at last ends in a conclusion that sums up both sides or recommend one point of view. What’s the text type of the article? （ ） A. Expository. B. Narrative. C. Descriptive. D. Argumentative.

OSI参考模型的( )完成差错报告、网络拓扑结构和流量控制的功能。 ...

单项选择题OSI参考模型的( )完成差错报告、网络拓扑结构和流量控制的功能。 A.
）物理层 B.
）数据链路层 C.
）传输层 D.
）应用层