招投标活动应遵循的原则是()。
A.公开、公正、等价有偿
B.公开、公平、公正、诚实信用
C.自愿、公平、等价有偿、诚实信用
D.自愿、公开、等价有偿、诚实信用
参考答案:B
The sad thing is _________the world-famous artist devoted his whole life _____, he only sold one painting before he died.
A.although; to painting
B.that; to paint
C.that although; to painting
D.although that; to paint
患者卒然心腹胀痛,痛如锥刺,气急口噤,大便不通,治宜选用
A.大建中汤
B.附子理中丸
C.三物备急丸
D.大黄附子汤
E.以上都不适宜