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______relatively costly, the engine is highly efficient and needs servicing infr
______relatively costly, the engine is highly efficient and needs servicing infr
游客
2024-01-14
58
管理
问题
______relatively costly, the engine is highly efficient and needs servicing infrequently.
选项
A、Even
B、It is
C、There is
D、Even though
答案
D
解析
本题考查让步状语从句。句意:尽管价格相对较高,但这种发动机效率高,不需要频繁维修。逗号后是完整的句子,缺少的可能是从句或状语的一部分,选项B和选项C是主谓结构,故排除。选项A是副词,意为“甚至”,放在句中讲不通。逗号前是省略了主谓语it is的状语从句,选项D是“尽管”的意思,符合题意。还需注意的是costly是形容词而不是副词。故本题选D。
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