皮皮学，免费搜题
登录
搜题
【单选题】
乙炔瓶瓶体表面是（）颜色。A.
白色
B.
银灰色
C.
天蓝色
D.
黑色
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】Doyle estate refused to permit Mr. Lycett to quotate from documents because_____
A.
He was concerned with the protection of Doyle's privacy.
B.
Mr. Lycett was not the ideal biographer of Doyle.
C.
there was a kind of competition between the two parties in the publication of Doyle's biography.
D.
He was unsatisfied with Mr. Lycett's work which turns Doyle's life into a thriller story.