1. In cancer drug development, according to the passage, the pharmaceuticals now ____.

1. are adopting the cost-effective one-size-fits-all approach
2. are moving towards individualized and targeted treatments
3. are investing the lion's shares of their money
4. care only about their profits

2. From the encouraging advance by the two companies, we can infer that ____.

1. the development can be ascribed to their joint efforts and collaboration
2. it was their competition that resulted in the accomplishment
3. other pharmaceuticals will join them in the research
4. the future cancer treatment can be nothing but cocktail therapy

3. From the last paragraph, it can be inferred that the answer to the question ____.

1. is nowhere to be found
2. can drive one crazy
3. can be multiple
4. is conditional

(Reference keys.)