皮皮学，免费搜题
登录
搜题
【单选题】
交流电路的功率因数是指A.
sinφ
B.
cosφ
C.
tanφ
D.
cotφ
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】More and more students want to study in 'hot' majors.【C1】______a result, many students want to【C2】______their interests and study in these【C3】______such as foreign languages, international business an...
A.
Being
B.
For
C.
Having
D.
As
【简答题】为D-苯丙氨酸的衍生物，为被称为“餐时血糖调节剂”的药物是（）|含双胍类结构母核，属于胰岛素增敏剂的口服降糖药物是（）A. B. C. D. E.
【简答题】Many of the students are working to help pay their college tuition and the others want to work for the experience.(翻译)