The advertising industry has resorted to self-regulation in a serious effort to curtail not only bad taste but also misrepresentation and deception in copy and illustrations.

单项选择题From 1965 to 1978 American consumer prices increased at an average annual rate of 5. 7 percent. This ominous shift was followed by consumer price gains of 13.3 percent in 1979.

单项选择题Ideally, anatomical investigation consists of a combination of descriptive and experimental approaches. Present-day anatomy involves scrutiny of the structure of organ-isms at many levels of observation.