红色小麦中种皮为深红色或红褐色的麦粒应≥（）。
A、60%
B、70%
C、80%
D、90%
参考答案：D
读下面的短文，在正确的图片下面的括号内画“√”。
It's a big animal. It looks like an elephant but it is much bigger and taller than an elephant. It is bigger than
many animals. It is about 300-400 kg and about 300 cm tall. You can't see this animal any more today. Which
animal is it?
1. ( ) 2. ( )
简述法洛四联症的病理改变?
