Teachers need to be aware of the emotional, intellectual, and physical changes that younga-duhs experience. And they also need to give serious (91) to how they can best (92) such changes. Growing bodies need movement and (93) , but not just in ways that emphasize competition. (94) they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (95) that comes from achieving success and knowing that their accomplishments are (96) by others. However, the typical teenage lifestyle is already filled with so much competition that it would be (97) to plan activities in which there are more winners than losers, (98) , publishing newsletters with many student-written book reviews, (99) student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide (100) opportunities for leadership, as well as for practice in successful (101) dynamics. Making friends is extremely important to teenagers, and many shy students need the (102) of some kind of organization with a supportive adult (103) visible in the background.
In these activities, it is important to remember that young teens have (104) attention spans. A variety of activities should be organized (105) participants can remain active as long as they want and then go on to (106) else without feeling guilty and without letting the other participants (107) This does not mean that adults must accept irresponsibility. (108) , they can help students acquire a sense of commitment by (109) for roles that are within their (110) and their attention spans and by having clearly stated rules.
A．If
B．Although
C．Whereas
D．Because
参考答案：D
解析： 空格所在长句中包含了两个由逗号隔开的分句： (94) they are adjust to...，teenager are especially self-conscious。两个分句有共同的主语，前一句中的they就指代下一句中的teenagers。考生需要判断这两个分句之间是什么逻辑关系。从语义上看，前一分句意为青少年正在适应新的身体状况、心智和情感方面的诸多挑战，下一分句意为他们的自我意识很强，显然这之间不是条件或转折关系，而是一个因果关系，即由于适应变化，所以自我意识强烈。因此because最为恰当。