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【单选题】
发动机中凸轮轴的功用是利用凸轮控制( )。A.
气门的开闭
B.
节气门的开闭
C.
油门的开闭
D.
EGR阀的开
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反馈参考答案：
举一反三
【单选题】在 DIALOG 系统的检索中 , 如果希望检索词 A 和检索词 B 在记录中前后相邻 , 并且词序不能颠倒 , 应该使用哪个位置算符( )。
A.
W
B.
N
C.
F
D.
S
【单选题】Which of the following is a better summary of the passage?
A.
Summary 1: Until the early 20th century, African art was rarely recognized as a serious form of art by Westerners. Masks and tribal sculptures were appreciated for their cultural value but not their aesthetic elements. When Pablo Picasso began to include African designs in his paintings, Westerners began to see African art in a new way. It was only then that African art gained true acceptance in the West.
B.
Summary 2: African art is appreciated by many people for different reasons. One reason African masks are appealing is that they contain a balance of contrasts. In the 20th century, African masks and tribal sculptures became even more appealing after many Western artists copied them. Pablo Picasso was one of the first Western artists to incorporate images of African masks into his paintings.
【简答题】When relationships matter, focusing on interests rather than locking into positions makes ___________. We value our relationships and therefore must ___________ both the short-term and long-term impac...
【单选题】K ́sp、Ksp、K0sp按大小排序应该是( )
A.
Ksp≥ K´sp ≥ K0sp
B.
K´sp≥ Ksp ≥ K0sp
C.
K0sp≥ K´sp ≥ Ksp
D.
Ksp≥ K0sp ≥ K´sp
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