应为每两名船员配备一件救生衣，每件救生衣应有是哨笛和救生衣灯。（） 发布时间：2019-02-15 22:30 │ 来源：www.tikuol.com 题型：判断题 问题： 应为每两名船员配备一件救生衣，每件救生衣应有是哨笛和救生衣灯。（）
题型：判断题 阅读理解。 Mr Green is from England. He and his wife (妻子) are teachers. They teach English in Beijing. They have a boy and a girl. They are Jack and Mary. Jack is a student, but Mary is not. She is only four. They have two bikes. One is big, and the other is small. The big one is for Jack. The small one is for Mary. On Sundays, sometimes they are at home, sometimes they go to the park. The Greens like China. They have a lot of Chinese friends. 1. —Where are the Greens now? —They are in ________.A. China B. America C. England D. Japan2. —What do Mr and Mrs Green do? —They ________.A. study Chinese B. teach English C. look after Jack and Mary D. go to the park3. —What do Jack and Mary have? —They have_________.A. cars B. watches C. clocks D. bikes4. On Sundays, they are sometimes __________.A. at school B. in the classroom C. at home D. on the bike5. Mr and Mrs Green __________.A. have many Japanese friends B. like China very much C. look the same D. don't know Chines 查看答案
题型：判断题 以下关于肺动脉高压的分级，不正确的是（）A.轻度26～35mmHgB.轻度15～25mmHgC.中度36～45mmHgD.重度>45mmHgE.重度肺动脉收缩压与体动脉收缩压比值大于0.80 查看答案