局限性哮鸣音() A.特发性肺间质纤维化 B.支气管哮喘 C.支气管肺癌 D.支气管 发布时间:2017-05-20 23:15 │ 来源:www.tikuol.com 题型:单项选择题 B型题 问题: 局限性哮鸣音()A.特发性肺间质纤维化B.支气管哮喘C.支气管肺癌D.支气管扩张E.慢性支气管炎、肺气肿
题型:单项选择题 B型题 Bats are amazing animals. There are many kinds of them. Most bats are black or grey in colour. And they have wings, too. Many people believed that bats couldn’t see. In fact, Bats can always find their way around very well. Usually, bats live in caves and trees. They can fly to their homes from far away. Some scientists said, “Bats can see with their ears.” Is it right? Most bats make a sound. The sound is too low for our ears to hear. They screech(尖叫) when they move around, and the echoes(回声)of these cries come back to their ears. In this way, they are able to tell where walls and other things are. Bats go out to eat at night. In the daytime they hang close together in their caves, trees or other dark places. Only when evening comes,they begin to come out and look for food, In the morning they come home to sleep until the next night. Some people think of bats as bad animals. In fact, they are very useful animals. Most of them catch bad insects(昆虫)for food. Some bats eat flowers and fruit as well.AppearanceThey are 76 or grey and have 77 .HomesMost bats live in 78 and 79 .DietMost bats eat 80 and some may eat flowers and 81.LifestyleThey 82 in the daytime and look for 83 during the night.How they find waysThey “see” with their 84 because they can make a 85 that we can’t hear. 查看答案