皮皮学，免费搜题
登录
搜题
【单选题】
下列不属于双作用叶片泵结构特点的是( )A.
定子内曲线是非圆曲线
B.
定子内曲线是圆曲线
C.
液压径向力平衡
D.
为降低流量脉动率叶片数取偶数
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】In today's economic activity, carbon-based energy sources come with certain costs for business and consumers, some of which include, but are not limited to, CO2 emissions, air pollution, and global wa...
A.
Environmental economics
B.
Moral hazards
C.
Systematic risks
D.
Externalities
【单选题】患者，女，22岁。因嗜食辛辣刺激性食品诱发鼻衄，兼有齿衄，血色鲜红，口干鼻干，烦渴喜饮，口臭，大便干燥，舌红苔黄，脉数。宜选用
A.
桑菊饮
B.
黛蛤散
C.
玉女煎
D.
龙胆泻肝汤
E.
知柏地黄丸
【简答题】Choc Co is a company which manufactures and sells three types of biscuits in packets. One of them is called ‘Ooze’ and contains three types of sweeteners: honey, sugar and syrup. The standard material...
【单选题】金属洛氏硬度试验结果中，用硬度、符号HR和使用标尺字母表示的标尺是()。 A、(A、B和C)标尺; B、(B、C和D)标尺;
C.
(B、D和E)标尺;
D.
(A、C和D)标尺。
【单选题】Questions下列各 are based on the following passage. A newstudy shows a large gender gap on economic policy among the nations professional economists,a divide similar to the gender divide found in the gen...
A.
The gender divide is a big concern of the general public.
B.
Men and women understand economics quite differently.
C.
The gap between male and female economists needs to be closed.
D.
Male and female economists disagree widely on economic policy,
【单选题】患者，女，22岁。因嗜食辛辣刺激性食品诱发鼻衄，兼有齿衄，血色鲜红口干鼻干，烦渴喜饮，口臭，，大便干燥，舌红苔黄，脉数。宜选用方
A.
桑菊饮
B.
黛蛤散
C.
玉女煎
D.
龙胆泻肝汤
E.
知柏地黄丸
相关题目：