题目内容

哪3种I/O控制方式

A. 对
B. 错

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Teachers ask college students to take as many ________ as possible.

A. activity
B. activities
C. actions

Knowing how to plan your time can be one of the _______challenges during your time in school.

A. big
B. bigger
C. biggest

Not only learning but also _________ experience is important for college students.

A. social
B. society
C. socialism

During my _______ year, I'd like to take some classes that I'm interested in.

A. freshman
B. freshmen
C. freshman's