【单选题】Why were early umbrellas difficult to use?
A.
Because they were very big.
B.
Because they were very small.
C.
Because they were made of wood.
【单选题】--The fish were ______yesterday, but they are all died today, why? --Maybe they were lack of oxygen.
【简答题】Why were you a______ from school yesterday?
【单选题】鲁桓公五年的时候,谁用箭射中了周王的肩膀?
【单选题】- Alice,why didn't you come yesterday? - I , but I had an unexpected visitor.
【单选题】Why were the three on hunger strike?
A.
They were beaten up by the police guard.
B.
They were not given enough food to eat.
C.
They were put in solitary confinement.
D.
They were charged without any evidence.
【单选题】无论植物细胞的初生壁还是次生壁,其构架物质都是
【判断题】事实上,个人的主观努力,在相当大的程度上也决定着人生价值实现的程度。( )