【判断题】废气再循环(EGR)就是将废气中的一部分引入燃烧室中,参与燃烧的过程。
【单选题】以下对核外电子运动状况的描述正确的是
A.
同一原子中,2p,3p,4p能级的轨道依次增多
B.
当碳原子的核外电子排布由 转变为 时,这一过程中释放能量
【判断题】提倡在创新面前人人平等,不人云亦云,不信奉权威,不论资排辈;尊重知识、尊重实践、尊重人才,尊重创新。
【判断题】通过图像平滑运算,可以完全消除图像中的噪声。
【单选题】An argument can be sound (in the technical sense used in this course) when
A.
its premises and conclusion are both true.
B.
its premises are conclusion are both false.
C.
its premises are false, and its conclusion is true.
D.
its premises are true, and its conclusion is false.
E.
more than one of the above. (That is, a sound argument can have more than one of these combinations of truth values.)
【简答题】Sound can be used in strategic parts of the program or during a movie to emphasize certain points. This may include speech, __________( 音效) ambient sound and music.
【判断题】Non-standard words usually refer to slangs, jargons, dialects and obsolete words. They sound vivid and colorful, and can be used in all kinds of writings.
【判断题】朝鲜族以米饭为主食,以汤、酱、咸菜和泡菜为副食。每餐必有汤,调味品最爱用辣椒和豆酱,咸菜是佐餐的主要菜肴。