【单选题】The story is a little too long, but it's worth______. [ ]
【单选题】The story is a little bit too long, but it's worth ______ .
【判断题】黄酮苷一般可溶或不溶于水,易溶于有机溶剂;黄酮苷元一般易溶于水,难溶于有机溶剂。
【判断题】纯净水的pH=7,则可以说pH为7的溶液就是纯净的水。
【单选题】Which of the following is TRUE according to the story?
A.
The little girl was kind and helpful.
B.
The video game was a prize from the store.
C.
The writer paid for the video game for the boy.
D.
The boy bought the video game himself from the store.
【判断题】纯净水的PH=7,则可以说PH为7的溶液就是纯净的水。( )
【判断题】纯净水的PH=7,则可以说PH为7的溶液就是纯净水。