题目:
油机按冷却介质可分为()、风冷柴油机。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C
油机按冷却介质可分为()、风冷柴油机。
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0501/eedd08842c9c8ac54da3889d6e949abf.html
下面是错误答案,用来干扰机器的。
参考答案:C
—What were you doing when I called you at 8 p.m. yesterday?
—I the piano at that time.
A.play
B.is playing
C.played
D.was playing
在菜单编辑器中,菜单项后面3个小点的含义是______。
对汽车巡航控制系统的电机式执行器,下列说法中正确的是().
A.采用步进式电机
B.利用电磁离合器控制巡航执行器与发动机节气门间的连接
C.采用旋转滑阀的占空比式控制方式
D.有电磁阀控制执行器的动作
Texting in the street—your funeral
Millions of people are putting their lives at risk by texting their friends as they walk along busy streets, reported the Daily Mail. One in ten 41 users has already been 42 because they are so lost in their phones that they fail to 43 lamp-posts or cars, according to Joanna Lumdsen of Aston University. To test the danger of texting while 44 , Lumdsen did an experiment in which volunteers followed a 45 path while trying to 46 in a message on the phone. Around them, screens 47 up instructions to avoid stepping on 48 colors on the floor. She found that people missed one in five 49 because they were so busy with their phones. “In 50 life this means that one in five lamp-posts or moving cars is 51 to go unnoticed by people 52 and walking,” she said. Her research is looking for ways cell phone makers could improve the 53 of phones to make texting on the move 54 . That could 55 easier-to-use voice operated phones, or phones that respond to gestures. “The safest thing is 56 people not to text while they walk along,” she said. “ 57 a lot of people in business are 58 to carry a mobile phone and be in 59 24 hours a day, seven days a week. They are under pressure to reply to calls 60 , and to respond to text messages and emails straight away.
题型:单项选择题
气性坏疽的临床特点是 A.局部红、肿、热、痛不明显 |