【单选题】Why did he fail the exam the first time?
A.
He was not well prepared.
B.
He did not get to the exam in time.
C.
He was not used to the test format.
D.
He did not follow the test procedure.
【单选题】本节例程所使用的的1602液晶,第2行第2个显示单元的显存地址是什么?
【简答题】He had failed in the exam. It made his father very angry. He had faild in the exam,
【单选题】琼脂糖免疫扩散试验中所用琼脂糖浓度为()。
【简答题】A.He can't prepare for the exam. B.He doesn't think he needs to take the exam. C.John will take the exam instead of him. D.John will help him during the exam.
【简答题】琼脂的主要成分为琼脂糖和 两类。A. 琼脂胶
【单选题】琼脂糖凝胶Sepharose4B表示( )
【单选题】What does the man mean?
A.
He has prepared for the exam.
B.
He couldn't prepare for the exam without notes.
C.
He doesn't have to prepare for the exam.
【简答题】he stayed up all night to study for the exam he opened the exam booklet to begin and fainted