洋葱鳞片叶表皮细胞临时装片的正确制作顺序是()。①在载玻片中央滴一滴清水②把载玻片、

题型:单项选择题

问题:

洋葱鳞片叶表皮细胞临时装片的正确制作顺序是()。

①在载玻片中央滴一滴清水

②把载玻片、盖玻片擦干净

③盖好盖玻片

④把撕下的洋葱鳞片叶内表皮浸入载玻片上的水滴中展平

⑤在盖玻片一侧滴一滴碘液,在另一侧用吸水纸吸引碘液

A.②①③④⑤

B.②①④③⑤

C.①④⑤②③

D.②③①④⑤

考点:初级中学生物初中生物学基础知识初中生物学基础知识题库
题型:单项选择题

We couldn’t forget the historic moment on Oct.11, 2012, when the first Chinese Nobel laureate, Mo Yan, won the 2012 Nobel Prize for Literature. Minutes after the award was announced, millions of Chinese expressed pleasure and pride for Mo Yan on the Internet. So a Chinese getting the Nobel Prize for literature did really increase the national pride.

On Dec.11 (Monday) in Sweden Mo was given the Nobel diploma, medal and a document confirming the prize amount. In his speech at the ceremony, Mo said receiving the prize felt like a fairy tale, but of course it was true and that literature was useless compared with science. Mo's award filled the blank left by Chinese literature in the world literary history. Meanwhile, Monday's Nobel awards ceremony set off another buying rush on Mo's works among Chinese readers.

小题1:Mo Yan won the Nobel Prize for _________.

A.history

B.Literature

C.peace

D.physics小题2:Which of the following words can best describe our Chinese feeling when hearing the news?

A.Calm

B.Relaxed

C.Proud

D.indifferent小题3:The underlined word “laureate” in Paragraph 1 most probably means _________.

A.loser

B.winner

C.fan

D.superstar小题4:Which of the following statements is NOT true?

A.It was hard for Mo Yan to believe he was awarded the prize.

B.Mo Yan thinks Literature is useless.

C.Mo Yan was given the Nobel Prize, medal and a document.

D.Mo Yan’s works were more popular after his receiving the prize.

题型:单项选择题

在保护模式下,假设已知当前中断的中断类型为5,中断描述符表中的基地址为300H,那么中断描述符在中断描述符表中的起始地址( )。

A.328H

B.305H

C.340H

D.314H

题型:单项选择题

去甲肾上腺素治疗上消化道出血时的给药方法是()

A.静脉滴注

B.皮下注射

C.肌肉注射

D.口服稀释液

E.以上都不是

题型:单项选择题

为了进行差错控制,必须对传送的数据帧进行校验。在局域网中广泛使用的校验方法是 (1) 校验。CRC-16标准规定的生成多项式为G(x)=X16+X15+X2+1,它产生的校验码是 (2) 位,接收端发现错误后采取的措施是 (3) 。如果CRC的生成多项式为G(X)=X4+X+1,信息码字为10110,则计算出的CRC校验码是 (4) 。要检查出d位错,码字之间的海明距离最小值应为 (5)

2()

A.2

B.4

C.16

D.32

题型:单项选择题

从“有啥吃啥到吃啥有啥”,从“绿蓝灰到五彩缤纷”,从“破烂平房到漂亮楼房”,从“自行车到私家车进平常百姓家”主要原因是()

A.人们不再发扬艰苦奋斗的传统

B.改革开放以来我国综合国力的提升和人民生活水平的提高

C.人们努力生活的更好

D.人们衣食住行发生了变化

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