从进化树可以看出,鸟类和哺乳类是由古代( )
A:鱼类进化而来
B:两栖类进化而来
C:爬行类进化而来
D:节肢动物进化而来
我国南方的腌制品多偏向肉类,北方的腌制品多偏向蔬菜。造成腌制品“北素南肉”差异的主要原因是( )
下面关于文学作品的表述,不正确的一项是 ( )
请从右栏中为左栏的图片选择相应的文字描述
Picture
Description(描述)
① ____
A. Aren't they lovely? They walk on the ice and snow. They can also swim. Do you want to know more about them?
② ____
B. Do you often watch him play basketball? If you do so, what do you think of him? Good or awesome(令人敬畏的)?
③ ____
C. — I can't find my keys.
— Let me help you.
④ ____
D. — Where's your pen friend from?
— Sydney. Oh, it's in Australia.
⑤ ____
E. Do you enjoy playing soccer? Look! They often play after school. How excited they are!