软件是程序、数据和相关______的集合。
参考答案:文档
解析: 计算机软件是包括程序、数据及相关文档的完整集合。
C
小题1: If you want to work in the south, you can apply for (申请)a job as _______.
A.a driver
B.an air hostess
C.a teacher
D.a waiter小题2: You may call _______ when you want to be a teacher.
A.0775-6561382
B.0411-4313861
C.010-88488970
D.0411-4313865小题3:Who can be the best person to be a teacher at Instant Language Ltd.?
A.Mike likes studying and exercising.
B.Jack is handsome and good at driving.
C.Dave is a good student. He is also outgoing and good with kids.
D.Mary can speak English very well and likes listening to jokes.小题4: Who can be an air hostess ?
A.Anna is 19 years old.
B.Lily is 1.70 meters tall and 18 years old.
C.Lucy is 1.70 meters tall. And she is studying in a middle school.
D.Lisa is 1.72 meters tall and she can speak three kinds of languages.小题5: Which of the following is not mentioned(被提及) in the three ads?
A.Height.
B.Age.
C.Health.
D.Language.
下图为反射弧结构示意图,下列有关叙述不正确的是
A.由a、b、c、d、e组成了一个完整的反射弧
B.结构②的存在保证了兴奋在两个神经元之间的传递是单向的
C.若从①处剪断神经纤维,刺激③处,效应器能产生反应
D.当以适宜电流刺激①时,该处细胞膜内的电位由正转负