在影响行为的各因素中，对行为具有激发作用的因素是（）
A.生物因素
B.学习因素
C.先天因素
D.环境因素
E.后天因素
参考答案：D
解析：环境影响人的行为，而行为又对环境造成影响，所以，环境既是行为的激发因素，又是其接受者。而学习是行为发展的促进条件，后天因素既有环境又有学习因素，先天因素与生物因素从某种程度上讲都是与遗传有关的因素，所以，最佳答案是D。
Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
One-quarter of today’s student population are suffering from symptoms of depression. Of that group, almost half will experience depression intense enough to call for __43___ help. But many reject that idea, because they don’t want people to think there is something wrong with them. There are three reasons why today’s college students are suffering more than in earlier ____44___. First is a weaker f  amily support structure. Today, with high divorce rates and many parents __45___ their own psychological difficulties, the traditional family is not always available for help. Another problem is __46_____ pressure. In the past ten years education costs have risen about 66 percent at public colleges and 90 percent at private schools. __47_____, most students must work part-time. A final cause of students’ depression is the large __48_____ of majors available. Because of the difficulty of ___49___ a major, college can prove a time of great indecision. Many students ___50____ majors. As a result, it is becoming common for them to take five or six years to get a degree. It can be disappointing to students to be faced with the __51____ costs. |