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【简答题】
为什么自花授粉的四倍体植物比自花授粉的二倍体植物子代隐性表型的频率低？
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Tom was deeply by the story of the hero. Which of the following is not right?
A.
impressed
B.
moved
C.
pressed
D.
struck
【单选题】患者,女,45岁,确诊为滴虫性阴道炎,该患者阴道白带性状的典型特征是( )
A.
白色蛋清样白带
B.
稀薄泡沫状白带
C.
匀质稀薄白带
D.
白色稀糊样白带
E.
豆渣样白带
【单选题】From the story, we know that Jon is ______.
A.
a poor pupil in school
B.
always doing what he likes
C.
very creative in his study
D.
a good listener in class
【单选题】At the last moment, Tom decided to _____ a new character to make the story seem more likely.
A.
put up
B.
put in
C.
put on
D.
put off
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