2014
高考英语阅读理解提升全程训练（4）及答案 阅读理解-----c8[2012•江苏卷] medical drugs sometimes cause more damage than they cure. one solution to this problem is to put the drugs inside a capsule, protecting them from the body—and the body from them—until they can be released at just the right spot. there are lots of ways to trigger (引发) this release，including changing temperature, acidity
