- 讲师:刘萍萍 / 谢楠
- 课时:160h
- 价格 4580 元
特色双名师解密新课程高频考点,送国家电网教材讲义,助力一次通关
配套通关班送国网在线题库一套
数学因式分解例题25a∧4-40a∧2 b∧2+16b∧4 a∧2-2a(b+c)+(b+c)∧2 (m+n)∧2+4m(m+n)+4m∧2求解和过程
The best title for the passage is______.
A.New Technology, Fresh Lifestyle
B.A New Boiling Process with Solar Power
C.Nanoparticles and Steam Creation
D.Importance and Implications of Steam
请帮忙给出正确答案和分析,谢谢!
Which of the following is TRUE about the new mechanism of producing steam?
A.It is similar to bringing down the boiling point of water.
B.Steam generators running solely on water and sunlight are under research now.
C.It employs the use of nanoparticles to focus sunlight more efficiently.
D.The research is widely known in the academic circle but little known among the public.
请帮忙给出正确答案和分析,谢谢!
地面水中三氮含量为:氨氮()、亚硝酸盐氮(-)、硝酸盐氮(),则说明地面水
A、新近受到污染,自净正在进行
B、曾受到污染,但自净已经结束
C、过去受到过污染,目前正在进行自净
D、过去受到污染已经自净,最近又受到污染
E、以上情况都不是
请帮忙给出正确答案和分析,谢谢!
高肾素型高血压患者首选
A、阿替洛尔或卡托普利
B、美托洛尔或硝苯地平
C、硝苯吡啶或卡托普利
D、呋塞米或尼群地平
E、硝普钠或硝酸甘油
请帮忙给出正确答案和分析,谢谢!
Which of the following statements is NOT mentioned as a reason of the disappearance of languages?
A.Government policies discourage native tongues to develop.
B.Diseases and natural disasters destroy native tongues.
C.Immigrants tend to desert their native tongues.
D.Pressure from economic development stimulates the disappearance of languages.
请帮忙给出正确答案和分析,谢谢!
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