园林植物侵染性病害发生发展的三个基本条件是()。 A.植物、病原、环境条件 B.寄主

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问题:

园林植物侵染性病害发生发展的三个基本条件是()。

A.植物、病原、环境条件

B.寄主植物、病原、环境条件

C.植物、非生物性病原、环境条件

D.寄主植物、非生物性病原、环境条件

考点:绿化工考试中级绿化工考试中级绿化工考试题库
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某化学实验小组的同学拟用以下装置制备气体,请回答下列问题.

(1)实验室用高锰酸钾制氧气时,应选用装置______(填字母代号);反应的化学方程式为______;用装置D收集气体前,将集气瓶内的空气排尽的操作方法是______.

(2)实验室制取二氧化碳的化学方程式为______;实验室通常不用碳酸钠和稀盐酸反应来制取二氧化碳,因为反应速率太快,不利于气体收集,但若用装置C则可,与装置B比较,C装置的优点是______

______;为检验是否有二氧化碳生成,某同学将制得的气体通入到紫色石蕊溶液中,你认为该操作______(填“可行”或“不可行”),理由是______.

题型:单项选择题

在E-R图中,矩形表示______。

题型:单项选择题

A good translator is by definition bilingual. The opposite is not ______(1) true, however. A born and bred bilingual will still need two__________(2) to become a translator: first, the skills and experience necessary for__________(3); second, knowledge of the field in which he or she will__________(4). The skills and experience for translation include the ability to write ______(5) in the target language, the ability to read and understand the_________(6) language material thoroughly, and the ability to work with the latest__________(7) and communication hardware and software.Does a born and bred bilingual__________(8) a better translator than someone who learned language B later in__________(9) There is no definite answer, but the following issues are important.__________(10), a born and bred bilingual often suffers from not truly knowing __________(11) language well enough to translate, with some even suffering from what __________(12) known as a lingualism, a state in which a person lacks_________(13) full, fluent command of any language. Second, born and bred bilinguals__________(14) don’’t know the culture of the target language well enough to_________(15) top-quality translations, or cannot recognize what aspects of the source language__________(16) its culture need to be treated with particular care, as they_________(17) in a sense too close to the language. And last, they often_________(18) the analytical linguistic skills to work through a sticky text.On_________(19) other hand, the acquired bilingual may not have the same in-depth _________(20) of colloquialisms, slang, and dialect that the born bilingual has. Also, the acquired bilingual will not be able to translate as readily in both directions (from B to language A and A to language B). Finally, born bilinguals often have a greater appreciation of the subtleties and nuances of both their languages than someone who learns their B language later in life can ever hope to have.

题型:单项选择题

关于设计阶段要处理好投资、质量、进度三者之间的关系,下列表述不正确的是()。

A.设计阶段的投资控制,就是要追求投资的最少量化

B.设计阶段的投资控制,就是要追求投资的合理化

C.设计阶段的质量控制,就是要追求质量的优良化

D.设计阶段的进度控制,就是依据实现工程项目总工期的目标要求,对设计工作进度进行计划、监督和协调

题型:单项选择题

诗句“黄梅时节家家雨,青草池塘处处蛙。”描写的降水与哪种天气系统有关()

A.热带气旋

B.快行冷锋

C.慢行冷锋

D.准静止锋

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