胚胎2个月胎儿主要造血部位是
A．肝B．卵黄囊C．骨髓D．脾E．髓外造血
参考答案：A
If you have any trouble________the work within the time, please tell me. [ ]
A. to finish
B. finish
C. with finishing
D. finishing
下列哪项不属于家庭财产保险适用的对象( )
A．城乡居民
B．个体工商户
C．机关团体
D．家庭手工业者
