花卉种类繁多,最常见的分类有:按植物分类系统分类、按主要用途分类和按()分类等3种方

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问题:

花卉种类繁多,最常见的分类有:按植物分类系统分类、按主要用途分类和按()分类等3种方法。

A.生态习性

B.观赏部位

C.花材部位

D.环境条件

考点:园艺工考试插花员考试插花员考试题库
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男,2岁,发热1周,为不规则热型,37.5~41℃,抗生素治疗无效,轻微咳嗽,入院前1天出现全身性分布淡红色斑疹,时隐时现。查体:一般情况好,浅表淋巴结不肿大,咽红、无渗出物,心、肺无异常,肝肋下4cm,质中,脾肋下1.0cm。白细胞25×109/L,中性粒细胞0.92,可见中毒颗粒,红细胞4.6×1012/L。住院8天内3次血培养均无生长,使用静脉滴注多种抗生素无效。

该患儿的治疗一般不选用()

A.萘普生

B.泼尼松

C.甲氨蝶呤

D.环磷酰胺

E.尼美舒利

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二十多年来,我国国内生产总值中三大产业的比重发生了很大变化。 

根据上表中的数据可以推论出我国

①农业总产值逐渐减少                 ②出口对经济增长的贡献率逐渐提高

③劳动者对服务业职能培训的需求上升   ④劳务消费在居民消费中所占比重逐步增加

A.①②

B.①③

C.②④

D.③④

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阅读理解。

     GUANGZHOU-China's first inter-city subway, linking two Southern Chinese cities hosting the 2010 Asian

Games, started operations on Wednesday, Nov.3, 2010.

     The 21-kilometer Guangfo Line connects Guangzhou City with Foshan City, both in the manufacturing hub

of the Pearl River Delta region in Guangdong Province.

     Riders on the subway will find that the travel time between the two cities has been reduced from 90 minutes

to 30 minutes, said sources with the subway company Guangzhou Metro.

     The line has 14 stations and a ride from end to end costs only six yuan (less than $1).

     Local authorities have been pushing for the increased integration of cities in the Pearl River Delta and

consider the operation of the Guangfo Line a big step in that direction.

     The subway was purposely opened one week prior to the start of the 2010 Asian Games. The competitions

will be held in Guangzhou, Foshan, Dongguan, and Shanwei.

1. The above passage is _____. [ ]

A. a piece of news

B. a popular song

C. a text from a book

D. a science report

2. The underlined word "hub" in the second paragraph is similar to _____. [ ]

A. side

B. bottom

C. top

D. centre

3. The 21-kilometer Guangfo Line is _____ inter-city subway in China. [ ]

A. the fourth

B. the third

C. the second

D. the first

4. Riders on the line will reduce their travel time by _____. [ ]

A. one third

B. two thirds

C. one half

D. three quarters

5. The Guangfo Line is considered a big step _____. [ ]

A. to step up the connections between cities in the Pearl River Delta

B. to reduce the transportation pressure between Guangzhou and Foshan

C. to reduce the travel time between Guangzhou and Foshan

D. to develop the economics in Foshan

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国家支持环境保护科学技术研究、开发和应用,鼓励环境保护产业发展,促进环境保护信息化建设,提高环境保护科学技术水平。

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触发神经末梢释放递质的离子

A.Ca2+

B.Mg2+

C.Na+

D.K+

E.Cl-

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