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【判断题】
植物病毒的核酸都是DNA,而细菌病毒的核酸主都是RNA。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】They are found in a multitude of colours making them the most beautiful frog specie.
A.
a kind of
B.
a set of
C.
a part of
D.
an array of
【简答题】Imagine an animal that becomes frozen in cold weather. Then, when it gets warmer, the animal simply unfreezes and goes back to its normal life. Although this may sound like something from a science-fi...
【简答题】GLP是《药物非临床研究质量管理规范》的英文缩写，GCP是（）的英文缩写。GLP与GCP主要采用国际通行的管理办法，对药品非临床试验机构、人员、实验设施等和临床试验机构的条件、职责、操作程序等做出规定。
【单选题】Montresor is an abnormal, neurotic narrator found in:
A.
Poe’s The Cask of Amontillado
B.
Herman Melville’s Moby Dick
C.
Whitman’s Leaves of Grass
D.
Mark Twain’s The Celebrated Jumping Frog of Calaveras Country
【简答题】A breathtaking trick potentially left over from our ancestors might be found in us — the ability to sense oxygen through our skin. Amphibians, animals such as frogs that can live both on land and in w...
【简答题】Experts say the American state of Hawaii has been invaded (入侵)by a small frog called the coqui (ko--kee). There may be millions of the small frogs in Hawaii. However, they do not belong there. They ar...
【简答题】The frog found a ____, the cat found a ____, the bird found a ____ and the dog found a _____.
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