可增强Ⅹa活性的是( )
A．因子ⅤB．因子ⅦC．因子ⅧD．因子ⅩE．因子Ⅻ
参考答案：A
---Where is the supermarket? --- ______.
A. Turn left and go along Center Street.
B. It’s on Center Street.
C. It’s between the video arcade and the library.
D. A、B and C.
Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, ______ the number of people infected with the virus is going up sharply.
A．when
B．which
C．that
D．where
