根据我国《合同法》的规定，投标是（）。
A、要约邀请
B、要约
C、承诺
D、邀请
参考答案：B
Some 25,000 people were reported ______ in the ever recorded worst earthquake in Iran, which occurred late this month.
A．were killed
B．to be killed
C．killing
D．to have been killed
世界上跨经度最多的大洲和大洋分别是[ ]
A．亚洲和太平洋
B．亚洲和大西洋
C．非洲和印度洋
D．南极洲和北冰洋
