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【单选题】
Java 源文件的扩展名为( )。A.
class
B.
java
C.
jar
D.
jdk
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【简答题】修辞-青岛科大.pdf m-metaphor; p-personification; s-simile; 答案直接写1-6题的修辞首字母即可。比如mspsmp
【单选题】听力原文： An airline is an organization which provides aviation services for passengers and cargo. It owns or leases airlines for reasons of mutual benefits. The scale and scope of airline companies range...
A.
The market plays an important role in airline service.
B.
It introduces the history of the aviation service.
C.
It describes airline companies.
D.
It introduces the scale and scope of airline companies.
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