我国独特的裘皮用绵羊是(),我国第一个育成的细毛养品种是()。
参考答案:滩羊;新疆细毛羊
The committee asked for these suggestions to be ______ on paper, so that they might study them further.
A.brought down
B.handed down
C.laid down
D.put down
下列()不是投入期的特征.
A.产品生产成本较高
B.销售额缓慢增长
C.企业在财务上往往亏损
D.销售费用低廉