A Apple consumption has greatly reduced US adults'trips to the doctor． B An apple a day does keep the doctor away． C Apples are far more nutritious than oranges． D A small number of US adult apple eaters tend to take less medicine．<br/>

A Apples are better than oranges． B Apples do have some vitamin C to increase the immune system． C Apples can help cure certain diseases． D Apples can provide people with sufficient daily intake of energy．<br/>

A Objective． B Creative． C Subjective． D Persuasive．<br/>

A Because he doesn't know what to do once schools are closed． B Because he is not sure about the practicability of those new tests． C Because he is concerned that many teachers will lose their jobs． D Because he is not in favor of the government's reform efforts．<br/>

A New standards and tests in schools． B Positive social relationships． C Strict teacher and student evaluations． D Assistance of the government．<br/>

A Freedom to express one's views． B Extra effort teachers put into their work． C Independence of the teachers in schools． D Unconscious and unspoken expectations．<br/>

A They should be trusted． B They are often bold． C They are often incorrect． D They should be encouraged．<br/>

A People who have secret lifestyles． B People who enjoy physical exercise． C People who are one hundred years old or older． D People who carry the gene for being slim．<br/>

A In the morning． B Any time of a day． C In the early evening． D In the afternoon．<br/>

A To improve metabolism． B To lower blood pressure． C To lower life stress． D To improve social relationships．<br/>