合同文件包括在( )中指明的全部文件。
A．合同书 B．合同协议书 C．投标书 D．工程师建议书
参考答案：B
The housewife got her hands and arms _____ while trying to pour the boiling water from the kettle into the thermos; she ______ some healing ointment to her burn but the pain was still unbearable [ ]
A. burned; put
B. burnt; used
C. burnt; dressed
D. burnt; applied
成年人每日由饱和脂肪酸提供的能量应低于总能量的（）。
A.3％
B.6％
C.10％
D.15％
E.30％
