在我国北方的温室大棚内，常把种植和养殖结合在一起，收到了很好的经济效益和生态效益．以下有关这种生态模式的说法，不正确的是（ ）

已知点P坐标是（2，3），则点P关于x轴的对称点P₁的坐标是（      ）

根据句子意思或音标写出单词的适当形式。
My cousin Jack is in Class 2, G____ 7 in our school.
The family like eating in the r____  instead of (代替) at home on Sunday.
T____  is the fifth day of a week.
We do morning e____ every day.
There are 6 h____ students in my school.

The sports shoes are those____ (child).
Daniel ，____ (not talk) in class.
This pair of blue jeans ____ (be) beautiful.
Millie gets a lot of  ____  'preznts at Christmas.
Where are my ____   'trauz?z    ?

如图一共____ 个角．

图是有关脊椎动物类群的代表动物，请据图回答有关问题：