投饲要领中“合理”是指()。
A、营养合理
B、投喂合理
C、饲料按季节合理投喂
D、A+B+C
参考答案:D
一个边长是6米的正方形,它的周长是( ),面积是( )。
—After reading the story about Jin Jing, I was very ______. —______ She's really brave.
A. relaxed; So was IB. impressing; So did IC. impressed; So was ID. relaxing; So I did