皮皮学，免费搜题
登录
搜题
【简答题】
在△ABC中，角A、B、C所对边分别为a、b、c，若b cos B='c' cos C成立，则△ABC是 （ ） A、直角三角形 B、等腰三角形 C、锐角三角形 D、等腰三角形或直角三角形
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】What do termites feel the most important to consider before they move in the wood structure?
A.
Food.
B.
Housekeeping.
C.
Soil.
D.
Water supply.
【简答题】T ask 4: Liste n t o th e speec h an d complet e th e organizatio n structur e o f the compan y . 01_Task 4.mp3:
【简答题】体育强国梦 2008 年《在北京奥运会、残奥会总结上的讲话》指出:“进一步推动我国由体育大国向体育强国迈进”,并强调:“我们要坚持以增强人民体质、提高全民族身体素质和生活质量为目标,高度重视并充分发挥体育在促进人的全面发展、促进经济社会发展中的重要作用,实现竞技体育和群众体育协调发展。”这一论断强调了体育强国不仅是竞技体育的领先,群众体育事业也是体育强国的重要标志。 2017 ...
【单选题】The different ways men and women move their body indicate that
A.
bone structures in men and women are arranged differently.
B.
women's bones are more ready to movement.
C.
men always move their bodies with waste motions.
D.
women are good at climbing upwards.
【单选题】In speaking activities， a speaker often tries to avoid using a difficult word or structure and chooses to use a r one. What learning strategy does the speaker use?
A.
Simplification
B.
Generalization
C.
Paraphrase.
D.
Avoidance.
【单选题】Travelers now believe that the root cause for failures of British railway is
A.
its structural design.
B.
the pursuit of profit.
C.
its inefficient network.
D.
the lack of safety guarantees.
【单选题】They said they are twin brothers. No wonder they have so many things _______.
A.
are similar
B.
in style
C.
in common
D.
in the same
相关题目：