1. the electronics copany has unveiled what it claims to be the world;s smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs less than 11 ounces. (d) is the world's smallest network digital camcorder, which is as long as a handheld computer and weighs 正确法案是D,is 很别扭啊？ 我选的A
2.three out of every four automobile owners in the US also own a bicycle. (d) in the US, three out of every four automobile owners owns bicycles. 正确选A，我选D。 A 的 in the US 有歧义啊
3.Ozone, a special forn of oxygen that screens out harmful ultraviolet rays, reaches high concentrations twelve miles above Earth, where it has long appeared that it was immune from human influence; we have now realized, though, that emissions of industrial chlorofluorocarbons deplete the ozone layer. (d) had long appeared immune to 正确选D，完全不理解这时态，还有immune的用法啊
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发表于 2012-3-3 16:48:53
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