A. may not be as profitable as they are expected B. can be measured in dollars and cents C. rely on conformity to a standard pattern D. are mostly underestimated by management 参考答案:A 答案解析:该题问：作者暗示科学研究的结果实际是怎样的 从文章第四段第三句If experiments are planned and carried out．．．to produce results measu
第3题: [单项选择]香橼除疏肝理气外，又能（） A. 发表散寒 B. 调经止痛 C. 和中化痰 D. 杀虫疗癣 E. 消食 参考答案:C
第10题: [单项选择]What do we know about the man A. He drives to work at 6. B. He is a bus driver. C. He begins to work at 8. 参考答案:C 答案解析:[听力原文] W: But why so early You don’t have to be at work until eight. M: After six the bus get
第19题: [单项选择]听到战友不幸遇难的消息，他______，悲痛万分。 A. 伤心欲绝 B. 如丧考妣 C. 满怀悲怆 D. 失望之极 参考答案:B 答案解析:[解析] 四个词均有“悲伤”之意，而B项指像死了父母一样，用于贬义。原句中“战友不幸遇难”，其悲伤度可见一斑，不适合用此词，相比较而言，本题B为最佳答案。
