烟霜霉病病原菌是什么?

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问题:

烟霜霉病病原菌是什么?

考点:农业技术指导员植物检验检疫植物检验检疫题库
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(1)青少年正处于生长发育时期,每天需要摄取足量的蛋白质,蛋白质的代谢产物中含有尿素.[尿素的化学式为CO(NH22],请根据尿素的化学式计算:(只写结果)①尿素的相对分子质量________.②尿素中含有______种元素,其中碳元素和氮元素的质量比为_________.③尿素中氮元素的质量分数为_________

(2)尿素和碳酸氢铵(NH4HCO3)是常见的氮肥.根据资料:某地尿素的市场价格为2500元/t,碳酸氢铵的市场价格为800元/t.若分别用10000元采购尿素和碳酸氢铵,请通过计算说明哪种化肥所含氮元素的质量多_______________________.

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我国公民全部政治生活的基础和准则是

A.坚持法律面前一律平等

B.坚持个人利益和国家利益相结合

C.依法行使政治权利、履行政治性义务

D.坚持四项基本原则

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甲的律师赵某在被指定后,径直向证人和被害人调查取证,证人和被害人不予合作,拒绝提供有关情况。问:赵某的做法是否正确为顺利调查取证,赵某该采取哪些诉讼措施

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人的视觉功能正常关键在于()。

A.心主血

B.肺主气

C.脾主运化

D.肝主藏血

E.肾主藏精

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When I was growing up, I was embarrassed to be seen with my father. He (1) severely crippled and very short, and when we would walk together, his hand on my arm (2) balance, people would stare. I would inwardly be afraid (3) squirm at the unwanted attention. If he ever noticed or was bothered, he never let (4) .
It was difficult to coordinate (5) steps - his halting, mine impatient - and because of that, we didn’t say much as we went along. But as we started out, he always said, "You (6) the pace. I will try to adjust to you. "
Our usual walk was to or (7) the subway, which was how he got to (8) . He went to work sick, and (9) nasty weather. He almost never missed a day, and would (10) it to the office even if (11) could not: a matter of pride!
He never talked about himself as an object of pity, (12) did he show any envy of the more fortunate or able. What he looked for in others was a "good heart", and if he found one, the owner was good enough for him.
Now that I am older, I believe that is a proper standard (13) which to judge people, even though I still don’t know precisely (14) a "good heart" is. But I know the times I don’t have one myself.
He has (15) gone many years now, but I think (16) him often. I wonder if he sensed my reluctance to be seen with him during our (17) . If he did, I am (18) I never told him how sorry I was, how unworthy I was, how I regretted it. I think of him when I complain about trifles, when I am (19) of another’s good fortune, when I don’t have a "good heart".
At such times I put my hand on his arm to regain my (20) , and say, "You set the pace, I will try to adjust to you.\

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