皮皮学，免费搜题
登录
搜题
【单选题】
产品销量少，促销费用多，制造成本高，销售利润低甚至为负值，这是（ ）的特征。A.
引入期
B.
成长期
C.
成熟期
D.
衰退期
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】I bet Mrs Black will come to help us with the celebaration if she _____ too busy tomorrow. [ ]
A.
is
B.
will be
C.
won't be
D.
isn't
【简答题】Aspire v.渴望 同:desire In his childhood, he aspired to become a great general. 2. Falter v.动摇;胆怯 同:hesitate 蹒跚而行 The soldiers faltered for a moment as their captain fell. The sick man faltered for few s...
【单选题】I bet Mrs. Black will come to help us with the celebration if she ______ too busy tomorrow. [ ]
A.
is
B.
will be
C.
won't be
D.
isn't
相关题目：
参考解析：
知识点：
题目纠错 0
发布
