问题
名词解释
古脑皮
答案
参考答案：硬骨鱼类的脑皮，基本上是由一些上皮组织所构成，没有神经细胞的分布，在种系发生上出现最早，故名古脑皮。
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古脑皮
参考答案：硬骨鱼类的脑皮，基本上是由一些上皮组织所构成，没有神经细胞的分布，在种系发生上出现最早，故名古脑皮。
| Reading comprehension. (阅读理解。 ) | ||
| Last holiday,l took a big trip with myaunt. We went to Australia by plane. It wasin August. We left Beijing on Aug 3rd. Itwas winter in Australia. But in Beijing,it was summer. I like there, because I like playing with snow. I went ice-skating there and took many pictures. I bought many presents for my friends,too. I was excited, but I was tired, too. I should relax to go back to school | ||
| ( )1. Whom did I go on a big trip with? ( )2. When was my trip? ( )3. What did I do in Australia? ( )4. How did I go there? ( )5. How did I feel in the end? | A. My parents. A.It was in summer. A. I went ice-skating and bought presents. A.I went by subway. A. I was excited,but tired. | B.My aunt. B.It was in spring. B.I played football and ate good food. B.I went by plane. B.I was bored. |