频谱多普勒技术可用来监测血流的种类和性质，下列哪一项不能检测（） A．动脉血流 B 发布时间：2022-02-05 02:48 │ 来源：www.tikuol.com 题型：单项选择题 问题： 频谱多普勒技术可用来监测血流的种类和性质，下列哪一项不能检测（）A．动脉血流 B．静脉血流 C．血流宽度 D．层流 E．湍流
题型：单项选择题 完形填空 Mr Li and his wife live in a city. He 1 hard in his office. He likes to read something when he's 2 .And he often watches TV or listens to the 3 at home. So he knows a lot. A few days ago an important 4 was held in Beijing. Mr Li was interested in it. That afternoon, on his way home, he went to the post office and 5 a newspaper. When he got home, he put it on the table and began to 6 .Soon his wife came back, and she began to tidy up the room. After 7 Mr Li wanted to read the newspaper, but he could not find it. "What are you 8 ?" asked his wife. "A newspaper." "I 9 it away a moment ago. " "Why did you do so?" Mr Li said angrily. "It's new. There's 10 in it." "I don't think so," .said the woman. "I put some rubbish in it, and threw it away. "( )1. A. plays ( )2. A. free ( )3. A. play ( )4. A. message ( )5. A. bought ( )6. A. rest ( )7. A. breakfast ( )8. A. finding ( )9. A. dropped ( )10.A. important something B. works B. busy B. sound B. railway B. borrowed B. wait B. lunch B. looking for B. fell B. something important C. talks C. asleep C. sport C. meeting C. made C. tidy C. supper . C. looking at C. sold C. anything useful D. sweeps D. at work D. radio D. meet D. lent D. cook D. meals D. choosing D. threw D. useful anything 查看答案