5. The Immigration Service now has the discretionary power to keep families united even though all their members do not meet the five-year residency requirement. (A) all their members do not meet the five-year residency requirement (B) not all their members meet the five-year residency requirement (C) all their members have not met the requirement for a five-year residency (D) not all their members have resided for five years, a requirement (E) all their members have not resided for five years, as required
答案是B，凭语感做的，但后来一想，应该是ALL。。。NOT才表示部分否定啊，但A是错误的，请指点！
10. Tektites, which may have been propelled to Earth from lunar volcanoes, are much like the volcanic glass obsidian, but their chemical composition is different than any terrestrial lava; they contain far less water than obsidian does and none of its characteristic microcrystals. (A) is different than any terrestrial lava; they contain (B) is different than any terrestrial lava’s, containing (C) is different from that of any terrestrial lava; they contain (D) differs from any terrestrial lava in containing (E) differs from that of any terrestrial lava’s, containing
答案C they contain 中they是指Tektites？E为什么不对？
18. Many environmentalists believe that the widespread planting of trees, along with the conservation of existing forests, would be one of the surest, easiest, and least expensive ways to begin to halt or even to reverse the buildup of carbon dioxide in the air. (A) one of the surest, easiest, and least expensive ways to begin to halt or even to reverse (B) one of the most sure, easy, and least expensive ways to begin a halt or even reverse (C) one of the surest, easiest, and least expensive ways that would begin halting or even reversing (D) a most sure, easy, and inexpensive way beginning the halting and even reversing of (E) the most sure, easiest, and inexpensive way that would begin halting or even reversing
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发表于 2004-1-22 18:14:00
