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【简答题】
疱疹病毒的核酸类型为_______，衣壳呈_______、_______包膜。
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举一反三
【简答题】A．temperature B．health C．field D．vision
【单选题】三酰甘油的皂化值越大,表明( )。
A.
所含脂肪酸的不饱和程度越大
B.
脂肪酸的平均相对分子质量越大
C.
脂肪酸的平均相对分子质量越小
D.
所含脂肪酸的不饱和度越小
【简答题】Despite our _____ to stay in cheap hotels, we ended up staying at a luxury hotel. (resolve)
【多选题】The correct descriptions about vision field include
A.
the visual area seen by an eye at a given instant.
B.
The area of the vision field is dependent on the color, white have the biggest field, and green has the smallest.
C.
nasal field vision is bigger than that of temporal.
D.
the difference of the vision field of different colurs is not casued by the distribution of cones in retina.
E.
vision field is helpful for diagnosis of the disease in optic nerve, visual pathway and retina.
【多选题】皂化价(皂化值)指完全皂化1克油脂所需的氢氧化钾的毫克数。那么下列说法正确的是:
A.
皂化值可以检测油脂的纯度，不同批次的油脂皂化值越大，说明油脂越纯。
B.
皂化值大小可推油脂的平均相对分子质量，皂化值越大说明油脂的平均分子量约大。
C.
不是所有的脂类物质都可以皂化。
D.
肥皂是油脂皂化的产物，主要成分为脂肪酸盐，是天然无污染的去污剂。
【简答题】阅读理解 One day Walt Disney had a vision. It was a vision of a place where children and parents could have fun together. The more Walt dreamed of a 'magical park,' the more imaginative and elaborate it b...
【多选题】The correct descriptions about vision field include
A.
the visual area seen by an eye at a given instant.
B.
The area of the vision field is dependent on the color, white have the biggest field, and green has the smallest.
C.
vision field is helpful for diagnosis of the disease in optic nerve, visual pathway and retina.
D.
nasal field vision is bigger than that of temporal.
E.
the difference of the vision field of different colurs is not casued by the distribution of cones in retina.
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