当代研究生英语读写教程完形下册(4)

directly. Their combined impact leaves the immune system depleted and unable to 10.cope with opportunistic infections.

How will any of this affect treatments? Would better knowledge of the ways in 11.which the virus disturbs the immune system enable researchers to 12.rebuild it ,broadening the depleted repertoire of CD4 cells ? Roederer , at least, thinks that drugs that directly affect the immune system will be needed.

Others go 13.further, Jay Levy at the University of California , San Francisco, worries that 14.prolonged treatment with cocktails of antiviral 15.drugs might even fool the immune system and “put it to rest”, by keeping levels of HIV so low in the body 16.that they fail to trigger any immune responses 17.at all. This might make individuals who stop 18.taking the drugs even more vulnerable. He

19.argues that immune-restoring treatments should be given

20.alongside antiviral drugs. Already, some researchers are working on novel approaches such as developing genetically engineered T cell to replace lose CD4 cells.

Unite four: what is Golbalization?

Economic “globalization” is a historical process, the result of human innovation and technological progress .It refers to the