- 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
1.一个圆柱形玻璃容器的底面直径是10厘米.把一块铁块从这个容器的水中取出后,水面下降2厘米.这块铁...1.一个圆柱形玻璃容器的底面直径是10厘米.把一块铁块从这个容器的水中取出后,水面下降2厘米.这块铁块的体积是多少?2.一根圆柱形钢材,截下2米,量得它的横截面的直径是4厘米.如果每立方厘米钢重7.8克,截下的这段钢材重多少千克?(得数保留整千克.)3.一个圆锥形沙堆,高是1.8米,底面半径是
可可脂色价的测定中,显色溶液是()。
A.重铬酸钾水溶液
B.铬酸钾水溶液
C.重铬酸钾硫酸溶液
D.铬酸钾硫酸溶液
请帮忙给出正确答案和分析,谢谢!
Mouthwashes are not effective cure for bad breath mainly because
A.they can"t cover the thick layers of mucus.
B.they can"t get to all the offending bacteria.
C.they can"t mask the bad odor long enough.
D.their strong smell mixes with bad breath and makes it worse.
请帮忙给出正确答案和分析,谢谢!
What can be inferred from the passage?
A.The red bag belonged to the lady.
B.There were many fingerprints on the red bag.
C.The lady"s flat was not the burglar"s first guilty place.
D.The burglar did not come into the flat at all.
请帮忙给出正确答案和分析,谢谢!
简述萨福克羊分布、外貌及生产性能。
What did the lady find when she went through the rooms?
A.The things she possessed had been searched inside out.
B.All the rooms had been covered with broken pieces.
C.Some of the rooms were in a mess.
D.Some of the rooms had not been touched.
请帮忙给出正确答案和分析,谢谢!
Whom did the lady first think of to help her out?
A.Her neighbors.
B.The porter.
C.The policeman.
D.The passer-by.
请帮忙给出正确答案和分析,谢谢!
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