皮皮学，免费搜题
登录
搜题
【判断题】
铸铁是碳的质量分数大于4.30%的铁碳合金。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Fires in escaping flammable gas are quickly brought under control by .
A.
stopping the flow of gas
B.
reducing the chemical chain reaction
C.
increasing the oxygen supply
D.
cooling below the autoignition point
【单选题】用万用表R×100欧姆挡来测试二极管,如果二极管()说明二极管是好的
A.
正、反向电阻都为零
B.
正、反向电阻都为无穷大
C.
正向电阻为几百欧，反向电阻为几百千欧
D.
正向电阻为几百千欧，反向电阻为几百欧
【单选题】What did James Baker and John Hanan do about chocolate?
A.
They produced the first milk chocolate．
B.
They introduced chocolate to Europe．
C.
They added sugar to make chocolate bars．
D.
They made chocolate accessible to the average man．
【单选题】Where did Henry Baker buy the first goose?
A.
In the Alpha Inn.
B.
In the British Museum.
C.
At a Christmas market.
D.
In Baker Street.
【单选题】Where did Nick first meet Jackie Baker?
A.
In her office.
B.
At the juice bar.
C.
At a soccer game.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
