正确答案: D

颠茄

题目：含阿托品等成分，叶为镇痛、镇痉药。

解析：D

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举一反三的答案和解析：

[单选题]化学与人类生活密切相关。下列说法正确的是：

油脂皂化生成的高级脂肪酸钠是肥皂的有效成分

[单选题]2008年诺贝尔化学奖授予了“发现和发展了水母绿色荧光蛋白“的三位科学家。将绿色荧光蛋白基因的片段与目的基因连接起来组成一个融合基因，再将该融合基因转入真核生物细胞内，表达出的蛋白质就会带有绿色荧光。绿色荧光蛋白在该研究中的主要作用是

追踪目的基因编码的蛋白质在细胞内的分布

解析：解析：将绿色荧光蛋白基因的片段与目的基因连接起来组成一个融合基因，将该融合基因转入真核生物细胞内，表达出的蛋白质带有绿色荧光，从而可以追踪目的基因编码的蛋白质在细胞内的分布。故C正确。

[单选题]辣椒(Capsicum annuum)的果实为浆果。( )

正确

[单选题]禾本科植物的一个小穗就是一朵花。( )

错误

解析：解析：“一朵花”改为“一个穗状花序”。

[多选题]下列种子属于有胚乳种子的是( )。

小麦

蓖麻

洋葱

油桐

解析：ABCD

[单选题]叉状脉是叶脉中最原始的类型。( )

正确

[单选题]根据下面内容，回答 64~67题： CWe have met the enemy，and he is ours．We bought him at a pet shop．When monkey-pox，a disease usually found in the African rain forest，suddenly turns up in children in the American Midwest，it's hard not to wonder if the disease that comes from foreign animals is homing in on human beings．“Most of the infections(感染) we think of as human infections staned in other animals，” says Stephen Morse，director of the Center for Public Health Preparedness at Columbia University．

It’s not just that we’re going to where the animals are；we’re also bringing them closer to us．Popular foreign pets have brought a whole new disease to this country．A strange illness killed Isaksen’s pets，and she now thinks that keeping foreign pets is a bad idea．“I don’t think it’s fair to have them as pets when we have such a limited knowledge of them，” says Isaksen． ‘‘Laws allowing these animals to be brought in from deep forest areas without stricter control need changing,” says Peter Schantz．Monkey-pox may be the wake-up call．Researchers believe infected animals may infect their owners．We know very little about these new diseases． A new bug(病毒) may be kind at first．But it may develop into something harmful,(有害的)． Monkey-pox doesn’t look a major infectious disease．But it is not．impossible to pass the disease from person to person． 第9题：We learn from Paragraph l that the pet sold at the shop may_____．

suffer from monkey-pox

[单选题]每一节上着生一片叶，各叶开度为180°，称此叶序为( )。

互生

[单选题](十)近年来，长江三角洲在经济发展的同时，出现了热岛效应、咸潮侵袭、滩涂冲刷等一系列环境问题。21. 长江三角洲区域性热岛效应比较明显的主要原因是

①② B． ③④ C． ②④ D． ①③