皮皮学，免费搜题
登录
搜题
【判断题】
三相心式变压器的各相磁路彼此独立。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
【单选题】商品是使用价值和价值的对立统一体，因此：
A.
没有使用价值的东西就不会有价值
B.
没有价值的东西就不会有使用价值
C.
具有使用价值的东西就一定有价值
D.
产品中只要有劳动就一定有使用价值
【简答题】As inevitably as human culture has changed with the passing of time, so does the environment.
【简答题】超过、超越_________________。
【单选题】What is the best way to make use of the natural resources ____ damaging the environment?
A.
without
B.
with
C.
by
D.
in
【简答题】A.To probe into the cause of natural disasters. B.To warn people of the environmental conditions. C.To formulate effective plans to help the victims. D.To study the influences of natural disasters.
【单选题】―The river runs clear. ―We all appreciate the importance the local government has______ the environmental protection.
A.
attached to
B.
contributed to
C.
responded to
D.
subscribed to
相关题目：