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【单选题】
建设工程招标投标是以订立建设工程合同为目的的民事活动。从合同法意义上讲，招标人发出的中标通知书是（ ）。A.
要约
B.
要约邀请
C.
承诺
D.
承诺要约
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】机翼对纵向静稳定性起的是增稳作用。The wing has a stabilizing effect on longitudinal static stability.
A.
正确
B.
错误
【单选题】We were surprised at the important meeting.
A.
him not to attend
B.
his attending not
C.
him not attend
D.
his not attending
【单选题】关于窗口的说法中,不正确的是
A.
窗口是屏幕中可见的矩形区域,它的周围有一个边框
B.
应用程序窗口的第一行为标题栏
C.
在窗口中可用图标代表一个程序、数据文件、系统文件或文件夹
D.
单击“关闭”按钮,将关闭窗口
E.
单击“最小化”按钮,将关闭窗口
【简答题】We were surprised at the (achieve) ______ the young man had made in the last three years.
【简答题】如果实验中操作无误,得到的数据前一两个偏大,这可能是什么原因,如何避免?
【单选题】We were surprised at the exam.
A.
him not pass
B.
his passing not
C.
his not passing
D.
him not to pass
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