单项选择题
A．他通过自行其事来显示他是多么顽固不化，并且他还拒绝听取别人的忠告。 B．他拒绝听取别人的劝告，只照自己的方式去做这件事，表现得很顽固。 C．他拒绝别人的忠告，并以自己的方式行事，以此来显示他的顽固。 D．他按自己的方式来做这件事，以此来表现自己的顽固和拒听忠告。
A．the women stayed together during the whole test B．most of the women taking part in the test are very active. C．before the test, the women enjoyed smoking and drinking. D．all the women taking part in the test traveled to space at last
A．They had to stand under the pressure three times the force of gravity. B．Ten days later in the test, they had to spend other twenty days in bed. C．During the whole test, they suffered backaches and other discomfort. D．Some of the women suffered great loss of calcium.