第7题: [单项选择]Clifford Berryman got the teddy bear more popularized by ______. A. naming it after President Roosevelt B. designing a series of teddy bear toys C. representing its stories in political cartoons D. representing it on greeting cards 参考答案:C 答案解析:本题为细节题。题目问漫画家百利曼是如何使特迪熊成为家喻户晓的卡通形象的。第三段第一句回答了这个问题。而A项“以罗斯福总统的名字命名”、B项“设计特迪熊玩具系列”和D项“使它出现在贺卡中”都不正确,应全
第8题:[单选题][单选题]肾脏致密斑的作用是直接感受 A.肾血管血压变化 B.肾血流NaCl含量变化 C.肾小管内压变化 D.肾小管液NaCl含量变化 E.入球小动脉牵张刺激 参考答案:D D
第17题: [单项选择]The dog has been of most value to man in the development of ______. A. a treatment for rabies B. open-heart surgery C. a cure for distemper D. Both A and C 参考答案:B 答案解析:见第三段第三句Open-heart surgery has been made possible.1argely because of the dog.