- 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
几道解三角形 数列的题1.在三角形abc中,若sinA=2cosBcosC,则tanB+tanC=?2.在三角形abc中,若lgsinA-lgscosB-lgsinC=lg2,则三角形abc的形状是?3.在三角形abc中,若tan(A-B)/2=(a-b)/(a+b),则三角形abc的形状是?4.在公比为整数的等比数列中,若a1+a4=18,a2+a3=12,则该数列前八项之和为?
Which of the following about Seamus Heaneys poetry creation is TRUE?
A.His poems usually appear in poetry collections.
B.His poems mainly center on the darkness of life.
C.He gives poem readings in public sometimes.
D.His poetry creation is improved after his winning of the Nobel Prize.
请帮忙给出正确答案和分析,谢谢!
当有1000元让步空间时,下列让步策略描述正确的是?
A、所有答案都不对
B、可以使用600,400,0,0大跨度的让步策略
C、可以使用500,200,100,50均匀的让步策略
D、可以使用250,250,250,250 平均幅度的让步策略
He will never be bullied into any change of his______.
A.status
B.standpoint
C.sympathy
D.tendency
请帮忙给出正确答案和分析,谢谢!
We believe an offence was committed______EU regulations.
A.with
B.over
C.under
D.on
请帮忙给出正确答案和分析,谢谢!
We feel sorry for being unable to entertain your request for offering a free car. The underlined part means
A.surprise
B.contest
C.meet
D.gain
请帮忙给出正确答案和分析,谢谢!
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