衡量裂缝的几何尺寸通常有缝长、缝高和缝宽其中（）决定裂缝的导流能力。A.缝长 B.缝 发布时间：2019-08-20 02:49 │ 来源：www.tikuol.com 题型：单项选择题 问题： 衡量裂缝的几何尺寸通常有缝长、缝高和缝宽其中（）决定裂缝的导流能力。A.缝长B.缝宽C.缝高D.缝宽和缝高
题型：单项选择题 阅读理解。 Mary is an American girl. She is now in Beijing with her parents. Mary doesn't know much Chinese, but she is studying it. She often speaks Chinese with her Chinese friends. Sometimes they can't understand her, because she can't speak Chinese very well. It's Saturday morning. She goes out. She is walking in the street. She wants to go to the zoo to see the elephants and monkeys, but she doesn't know how to get there. She asks a Chinese boy the way. The boy can't understand her. Then she takes out a pen and a piece of paper. She draws an elephant on it, and shows the picture to the boy. The boy understands, and shows her the way to the zoo. 1. Mary is ______. [ ]A. Chinese B. English C. Japanese D. American 2. Mary is in ______ with her parents now. [ ]A. Shanghai B. Beijing C. New York D. London 3. Mary doesn't know how to get to ______. [ ]A. the zoo B. the park C. her home D. her school 4. Mary can't speak ______ very well. [ ]A. English B. England C. China D. Chinese 5. At last The boy ______. [ ]A. can understand Mary'ｓChinese B. takes her to the zoo C. shows her the way to the zoo D. draws a picture for Mary, too 查看答案
题型：单项选择题 （）是教育心理学研究最基本、最普遍的方法，它可以直接使用，也可以结合其他方法进行，使用起来方便易行，对教育过程不会发生干扰，所得的结果比较符合实际。A.调查法B.观察法C.实验法D.总结法 查看答案