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【单选题】
2、在多点喷射的发动机燃油喷射系统中,喷油器一般安装在( )A.
节气门体空气入口处
B.
气缸体上
C.
空气滤清器前方
D.
进气歧
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【简答题】荧光分析中的系间窜越是不同的______能级之间的无辐射跃迁，在跃迁过程中，电子自旋方向发生______。
【简答题】荧光分析中的系间窜越是不同的( )能级之间的无辐射跃迁,在跃迁过程中,电子自旋方向发生( )。
【简答题】If Western people think they are healthy eaters, they will have to think again.
【单选题】In western culture, people take triangle as geometrically the perfect figure because _______.
A.
people like the shape of a triangle
B.
people have great respect for God
C.
the number 3 has a mystical and comforting significance for Western minds
D.
people have three meals a day.
【简答题】A growing number of consumers, especially young people , are a dopting more Western habits when it comes to spending money—by favoring credit cards over savings. A survey of 11,500 people in 18 cities...
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