皮皮学，免费搜题
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搜题
【单选题】
Questions 12 to 15 are based on the following conversation. 15.A.
Geography and tone.
B.
Language and tone.
C.
Geography and style.
D.
Terminology and style.
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】采用比例调节器的定值控制系统,欲要减小稳态误差,则应( )。 (157219:第05章 船舶反馈控制系统基础:558)
A.
减小时间常数
B.
减小放大系数
C.
减小比例带
D.
减小偏差
【单选题】I could easily perceive that his heart burnt to relieve his starving kids, but he seemed ashamed to ______ his inability to me.
A.
discover
B.
recover
C.
demonstrate
D.
impress
【简答题】糜烂愈复(erosion recover)
【简答题】A．offset B．disrupt C．restore D．relieve