单项选择题 Sometimes the tension produced by fears is so great that we cannot suppress it. At such times we need to ________ the tension by laughing or crying.

单项选择题 Language, culture, and personality may be considered ________ of each other in thought, but they are inseparable in fact.

单项选择题 Though the female has the undisputed last word over the acceptability of a new nest, it is the male weaver bird who must build it entirely