WPS表格中，单元格格式包括数字，（      ），（      ），边框，图案和保护
A、颜色
B、对齐
C、下划线
D、字体

单项选择题采用人工授精的猪场中，一头公猪的与配母猪可达到（） A. 25-30头 B. 100-150头 C. 150-200头 D. 250-500头

多项选择题With respect to the status of recognition, the constitutive theory claimed that: A、The creation of statehood and its international personality exclusively upon the act of recognition by other states. B、The will and consent of other existing states is essential. C、New states could not automatically become members of the international community unless other states took recognition to them. D、The recognition of already existing states would create international personality of new states.