皮皮学，免费搜题
登录
搜题
【多选题】
按新产品开发的范围和水平进行分类,产品开发战略包括A.
换代型新产品开发战略
B.
改进型新产品开发战略
C.
地区级新产品开发战略
D.
国家级新产品开发战略
E.
国际级新产品开发战略
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What is the most exciting finding about increasing positive emotions?
A.
It improves relationships.
B.
It leads to greater success.
C.
It help develop creativity.
D.
It contributes to good health.
【单选题】What is the most exiting finding about increasing positive emotions?
A.
It improves relationships.
B.
It leads to greater success.
C.
It helps develop creativity.
D.
It contributes to good health.
【单选题】What is the finding of the Canadian researchers?
A.
Encouraging positive thinking may do more harm than good.
B.
There can be no simple therapy for psychological problems.
C.
Unhappy people cannot think positively.
D.
The power of positive thinking is limited.
相关题目：