0.7×0.7的积用四舍五入法保留两位小数是0.5．______．（判断对错）
0.7×0.7=0.49；
Your shipment of goods has been found short ______ weight by CIQ.
A．out B．onC．in D．with
在自由采食条件下，影响采食量的动物方面因素有那些？
