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【单选题】
标准皮托管是用来测定烟气( )的A.
温度
B.
流量
C.
压力
D.
流速
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举一反三
【简答题】A. teaches B. pushes C. touches D. directs
【简答题】A. teaches B. touches C. pushes D. directs
【简答题】A few months earlier I had been putting the finishing touches on portraits I had painted of each of my parents.
【单选题】呼吸和心跳停止急救法的步骤是
A.
检查环境，安全后 轻拍双肩:先生,怎么了?清理气道 人工呼吸 胸片心脏按压 心脏按压与人工呼吸比例为30:2
B.
轻拍双肩:先生,怎么了? 1.人工呼吸 2.胸片心脏按压3.清理气道 提示:心脏按压与人工呼吸比例为30:2
【单选题】______ is amazing to us is ______some plants can sense the soft touches of the insects on the leaves.
A.
That; that
B.
What; what
C.
What; that
D.
That; what
【单选题】关于热机效率与制冷系数,下列说明正确的是( )
A.
循环热效率 mso-fareast-font-family:宋体;color:#666666;mso-font-kerning:0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">Ƞ 越小，热机循环工作越有效；制冷系数 宋体;color:#666666;mso-font-kerning:0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">ε 越大，制冷循环工作越有效
B.
循环热效率 mso-fareast-font-family:宋体;color:#666666;mso-font-kerning:0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">Ƞ 越大，热机循环工作越有效；制冷系数 宋体;color:#666666;mso-font-kerning:0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">ε 越小，制冷循环工作越有效
C.
循环热效率 mso-fareast-font-family:宋体;color:#666666;mso-font-kerning:0pt">Ƞ 越大，热机循环工作越有效；制冷系数 宋体;color:#666666;mso-font-kerning:0pt">ε 越大，制冷循环工作越有效
D.
循环热效率 mso-fareast-font-family:宋体;color:#666666;mso-font-kerning:0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">Ƞ 越小，热机循环工作越有效；制冷系数 宋体;color:#666666;mso-font-kerning:0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">ε 越小，制冷循环工作越有效
【简答题】A．touches B．faces C．covers D．holds
【简答题】A．gets to B．comes to C．reaches D．touches
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