皮皮学，免费搜题
登录
搜题
【多选题】
试读懂图示的液控单向阀快速液压系统,按电气元件的动作顺序和工作状态。电磁铁通电为“+”,断电为“—”,则动作名称与电磁铁得、失电正确符合的是:A.
快进+--(按1YA、2YA、3YA排列)
B.
工进+-+(按1YA、2YA、3YA排列)
C.
快退-+-(按1YA、2YA、3YA排列)
D.
停止---(按1YA、2YA、3YA排列)
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】某人对茄子过敏,为了防止过敏最好的办法是
【判断题】The more red and processed meat you consume, the greater your risk of pancreatic cancer.
A.
正确
B.
错误
【单选题】If we don't put the meat in the fridge, it may _____. [ ]
A.
go wrong
B.
go well
C.
go bad
【判断题】One of the bricks of the Healthy Eating Pyramid includes eating more Red Meat, Processed Meat, and Butter. ( )
A.
正确
B.
错误
【单选题】Who studied 800 cases linked processed meat, such as hot dogs and ham, to bowel cancer?
A.
Experts from the WHO’s International Agency for Research on Cancer (IARC)
B.
Cancer researchers
C.
Health experts in some countries
D.
Meat industry groups
【单选题】Processed meat is meat that has been preserved by____
A.
Curing
B.
salting, smoking,
C.
drying or canning.
D.
all of above
【简答题】感冒是由多种 引起的一种急性上呼吸道感染疾病。一般分为 和 两类。
相关题目：