题型：填空题 影响声波传播的各类参量包括（）。A.所处区域常年平均气温、年平均湿度、年平均风速、主导风向B.所处区域的人口分布情况C.声源和预测点间障碍物的位置及长、宽、高等数据D.声源和预测点间的地形、高差E.声源和预测点间树林、灌木等的分布情况，地面覆盖情况 查看答案
题型：填空题 根据对话内容，从方框内选择词的适当形式填空，每空只能填一词，每个词只能用一次。use game Chinese I visitA: Hi, Lucy, have you got a computer?B: Yes, I have. What about you ?A: No, I use __1__ father's computer . Do you __2__ the Internet?B: Yes, I often __3__ websites to get some information.A: Do you sent emails?B: Yes, I send emails to my uncle. He lives in England.A: Is he English?B: No, he is __4__ . And I like playing computer __5__ on the Internet.A: Me, too. 查看答案