题目:
生后
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
生后
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下面是错误答案,用来干扰机器的。
参考答案:C
汽车由静止开始做匀加速直线运动,第4s内平均速度为7m/s,则加速度为______m/s2,加速4s的位移是______m.
一滑块在水平地面上沿直线滑行,t=0时起速度为1m/s.从此刻开始滑块运动方向上再施加一水平作用F,力F合滑块的速度v随时间的变化规律分别如图1和图2所示.设在第1秒内、第2秒内、第3秒内力F对滑块做的功分别为W1、W2、W3,则以下关系正确的是( )
A.W1=W2=W3
B.W1<W2<W3
C.W1<W3<W2
D.W1=W2<W3
To celebrate the end of our exams, my friends and I went to a fast food restaurant. We hamburgers and Coca Cola at the counter. When our came, I started walking towards an empty table. By bad luck, my bag strap(带子) got on a chair and the tray(托盘) that I was holding slipped(滑) my hands and went flying in the air. The tray, and its contents, on a man who was just about to a bite of his sandwich. I stared, greatly , as the drinks soaked(浸湿) his white shirt. Then I my eyes and prepared myself for his burst of . Instead, he said "It’s OK" to me before he disappeared into the washroom. Still shaky and unsure to do next, my friends and I went to a table and sat there, trying our best to look . A moment later, the man came out of the washroom, and our table. My heart almost stopped . I thought he was going to ask for my father's and call him. To my surprise, he merely smiled at us, handed us some cash and said," yourself new hamburgers." He then walked without even finishing his food. He could have made what was already an uncomfortable situation worse, he chose a different way and gave us a reason to believe that there is still in this world. I'll never his actions.
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患者周某,32岁,产后两月余,忽心中烦热,气短,不能安卧,欲小便不得,腹胀满,经治半月,病情不见好转。饮食如常,脉弦缓,用肾气丸,一服知,二服愈。此病案当属()
A.肾阳虚之喘证
B.肾阳虚之小便难
C.肾气不举之转胞
D.产后体虚烦热
E.膀胱气化不利之小便难
机关信息处理基本环节包括()
A.信息的筛选
B.信息的综合
C.信息的存储
D.信息的编辑
E.信息的利用