皮皮学，免费搜题
登录
搜题
【单选题】
What does the author mean by saying '...the Jews, the Muslims—had lower disease and death rates; which did not always count to their advantage' in Paragraph Four?A.
The zealous religious belief of the Jews and the Muslims delayed their adoption of industrial innovation.
B.
The Jews and the Muslims were often accused of conspiracy because their low disease and death rates were seen as suspicious.
C.
No washable underclothing was available for the Jews and the Muslims at that time.
D.
The Jews and the Muslims had other unhealthy habits despite their cleanliness.
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】A级单向流系统在其工作区域必须均匀送风，风速为()(指导值)。
A.
0.37-0.54m/s
B.
0.36-0.55m/s
C.
0.36-0.54m/s
D.
0.35-0.54m/s
相关题目：