1、Prep 01Q1. p2-sc 1. (24163-!-item-!-188;#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058 we have now realized, though, that emissions of industrial chlorofluorocarbons deplete the ozone layer.(A) has long appeared that it was immune from(B) has long appeared t
2、o have been immune from(C) has long appeared as being immune to(D) had long appeared immune to(E) had long appeared that it was immune to Q21. p2-cr 6. (24353-!-item-!-188;#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058#058&002314)The single-family house cons
3、tructed by the Yana, a Native American people who lived in what is now northern California, was conical in shape, its framework of poles overlaid with slabs of bark, either cedar or pine, and banked with dirt to a height of three to four feet.(A) banked with dirt to a height of(B) banked with dirt as high as that of(C) banked them with dirt to a height of(D) was banked with dirt as high as(E) was banked with dirt as high as that of
