2. 职称英语
  3. The demand for airplane mechanics is expected to grow about ten percent a year i

The demand for airplane mechanics is expected to grow about ten percent a year i

游客2025-02-25  33
问题 The demand for airplane mechanics is expected to grow about ten percent a year in the next decade, largely because new federal rules calling for major modifications to older planes and because the airlines are adding hundreds of new jets.
选项 A、new federal rules calling for major modifications to older planes
B、new federal rules, which call for major modifications to older planes
C、new federal rules call for major modifications to older planes
D、major modifications to older planes called for by new federal rules
E、major modifications to older planes are called for according to new federal rules
答案 C
解析 暂不看划线部分，由because．．．and because…可以断定此处是两个原因状语的并列，因为because引导句子，可以马上排除A、B、D(其中called是过去分词，而不是谓语动词)。在C、E中，根据主动优先原则，可马上断定C为正确答案。
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