Admiral Cervera knew he was being ordered to certain destruction but felt compelled to obey. He chose the morning of July 3 for a gallant escape attempt.

单项选择题Many of his colleagues eventually agreed that Einstein’s theory was tenable（）.

A. tenuous
B. warrantable
C. redundant
D. tolerable

单项选择题Humanists argue that human history is marked by a continuous conflict between scientific and technological ingenuity and the demands of the spirit（）.

A. noted by
B. conformed with
C. certified by
D. characterized by