皮皮学，免费搜题
登录
搜题
【单选题】
人体接触直流电时,通过电流为 50~80mA 时,人体感觉为( )。A.
手指感灼热和刺痛
B.
呼吸麻痹
C.
强烈的肌肉痛,手肌肉不自主的强烈收缩,呼吸困难
D.
没有感觉
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】Microblogging(微博) is sweeping across the world. You Can express your ideas on any topic on it. Of course, you might also make comments(评论) on others' microblogs. The following is Tonv's microblog at E...
【简答题】经济林选择育种的方法按亲缘关系可分为 ( ) 、家系内选择和 ( ) ;
【单选题】You can ___ any new words in the dictionary when you come across them.
A.
look up
B.
look through
C.
look after
D.
look for
【简答题】Microblogging(微博) is sweeping across the world. You Can express your ideas on any topic on it. Of course, you might also make comments(评论) on others’ microblogs. The following is Tony’s microblog at E...
相关题目：