The best title for the passage would be ________.

The author tells us in paragraph 4 ________.

Paragraphs 2 and 3 explain ________.

Advertisements are aimed at people suffering from mild complaints because________.

The first paragraph is intended to ________.

According to Steven Young, if scientists get the data that ________, they would petition for fast track status.

While integrase deletes an immune cell's genetic material and replaces it with its own, it acts like ________ in a word processor.

If the drug proves effective in human trials,it could enhance the effectiveness of existing AIDS drugs in ________.

Nearly all the families can manage to meet the soaring tuition costs through various investment plans.

One reason why colleges increase tuition and fees is that the state support is shrinking.