- 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.
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