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【简答题】
Some industrialized countries are unwilling to spend money in reducing pollution.
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【简答题】解释“并行传输”和“串行传输”的概念,并指明两者的区别。
【简答题】In 2006, China completed construction of the Three Gorges Dam, which sits on the Yangtze River. The dam is the largest hydroelectric river dam in the world. Building it, though, forced more than one m...
【单选题】Renata always does a lot of work, and she works so fast! She's very _____isn't she?
A.
modern
B.
positive
C.
efficient
【简答题】某测点的背景噪声为60dB,周围有3台机器,单独工作时,在测点处测得的声压级分别为71dB、75dB、68dB,试求这3台机器同时工作时,在测点的总声压级。
【简答题】In the following story, the underlined words are misused. Please correct them. My sister Lulu1. ____ a scholarship to study in the UK. She had done very well in school and the 2. ____ thought that liv...
【简答题】请简要叙述“并行传输”和“串行传输”的概念,并指明两者之间区别?
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