春来江水绿如蓝,是生物的什么现象?()
A.捕食
B.竞争
C.繁殖
参考答案:C
On this happy occasion, I'd like to say that we are _____ much obliged to you for your kind cooperation.
A.even so
B.ever so
C.as yet
D.so far
五莲山最著名的花是()。
A.牡丹
B.莲花
C.野生杜鹃
D.玫瑰