硝普钠的临床应用是（）
A.高血压危象
B.中、重度高血压
C.重度高血压
D.轻、中度高血压
E.中度高血压伴肾功能不全
参考答案：A
The word "breakthrough" is often used when talking about the newest drug or the next treatment ___ in cancer research．
A．finding
B．being found
C．to be found
D．found
These beautiful photos _______ on the Great Wall last week.
A．take
B．took
C．are taken
D．were taken
