皮皮学，免费搜题
登录
搜题
【多选题】
下列说法中,正确的是( ) A.有价值的东西一定有使用价值 B.有使用价值的东西一定有价值 C.有使用价值的东西不一定有价值 D.有价值的东西不一定有使用价值A.
a
B.
b
C.
c
D.
d
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】“,”战略布局是指 、 、 、 。
【单选题】Electronic Mail During the past few years, scientists all over the world have suddenly found themselves productively engaged in task they once spent their lives avoiding - writing, any kind of writing...
A.
direct and reliable
B.
time-saving in delivery
C.
money-saving
D.
available at any time
【单选题】Electronic Mail During the past few years, scientists all over the world have suddenly found themselves productively engaged in task they once spent their lives avoiding—writing, any kind of writing, ...
A.
direct and reliable
B.
time-saving in delivery
C.
money-saving
D.
available at any time
【单选题】Electronic Mail During the past few years, scientists all over the world have suddenly found them- selves productively engaged in task they once spent their lives avoiding--writing, any kind of writin...
A.
direct and reliable
B.
time-saving in delivery
C.
money-saving
D.
available at any time
相关题目：