在进行房地产估价时，对房地产市场情况的分析始终应针对估价时点时的状况。( )
参考答案：对
In spite of these unexpected difficulties, but the Chinese scientists __________ to carry out their
experiments on the lonely island. [ ]
A. threatened
B. managed
C. offered
D. hesitated
下列符合流行性出血热诊断的临床表现是（）
A.突然发病
B.头痛腰痛
C.热退症状加重
D.出血性皮疹
E.球结膜出血
