“赖有岳于双少保，人间始觉重西湖”中的“岳于”分别是指（）。
A.岳飞
B.于谦
C.岳云
D.于成龙
E、文天祥
参考答案：A, B
Read and choose. （读一读，选择正确答语）
1. — How much is it?
— ______ [ ]
A. It is two yuan.
B. They are ten yuan.
2. — Can I help you?
A. Yes, please.
B. No, it's not.
3. — How much are they?
A. It's eight yuan.
B. They're nine yuan.
4. — What time is it?
A. It's five o'clock.
B. It's rainy.
已知控制人体有耳垂的基因是显性基因B，控制无耳垂的是隐性基因b．若某人无耳垂，则控制其无耳垂的一对基因是（ ）
A．BB
B．Bb
C．bb
D．bb或Bb
