不需要进行实质审查的专利申请是（）。
A.发明专利申请
B.发明和外观设计专利申请
C.实用新型和外观设计专利申请
D.发明和实用新型申请
参考答案：C
Here my house. [ ]
A. are
B. is
C. am
I bought some CDs. They _______ 300 yuan. [ ]
A. spent
B. take
C. paid
D. cost
