皮皮学,免费搜题
登录
搜题
【判断题】
产品生命周期一般为四个阶段,即投入期、成长期、成熟期和衰退期。
A.
正确
B.
错误
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
【简答题】The food we eat seems to have great effects on our health. Although science has made great steps in food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research h...
【判断题】边际效用为零时总效用最大,边际效用小于零时,总效用开始减少。
A.
正确
B.
错误
【判断题】边际效用为正时,总效用增加;边际效用为零时,总效用最大;边际效用为负时,总效用递减。
A.
正确
B.
错误
【单选题】正确选用劳动保护用品是保证劳动者安全与健康的前提,下列不属于选用劳动保护用品的基本原则是( )
A.
根据标准选用
B.
穿戴舒适方便、不影响工作
C.
根据岗位实际情况和防护用品防护性能
D.
防寒保暖
【单选题】贫血患者,较可靠的评估部位是()
A.
手掌皮肤和睑结膜
B.
颈部皮肤和舌面
C.
耳郭皮肤和上腭黏膜
D.
面颊皮肤及上腭黏膜
E.
手背皮肤及鼻腔黏膜
【简答题】Microbiology has not only made important contributions to many disciplines but also affected both medicine and pharmacy a lot. Medical microbiology is the study of the pathogenic microbes and the role...
【单选题】在建国初期起着临时宪法作用的是( )。
A.
《论持久战》
B.
《宪法》
C.
《实践论》
D.
《共同纲领》
【简答题】The food we eat seems to have a great effect on our health. Although science has made big steps in food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research ha...
【简答题】阅读理解。 The food we eat seems to have a great effect on our health. Although science has made big steps in food more fit to eat, it has, at the same time, made many foods unfit to eat. Some resea...
【单选题】“精力旺盛、表里如一、刚强易感情用事”属于()
A.
胆汁型
B.
多血型
C.
黏液型
D.
抑郁型
相关题目: