选择题:It can be inferred the national from the passage t

题目内容:
It can be inferred the national from the passage that most people in the United States in 1955 viewed the national economy with an air of _________.

A、 confidence
B、confusion
C、disappointment
D、suspicion
参考答案:

管式换热器与板式换热器相比( )A. 传热效率高B. 结构紧凑C. 材料消耗少D. 耐压性能好

管式换热器与板式换热器相比( )A. 传热效率高B. 结构紧凑C. 材料消耗少D. 耐压性能好

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323. 相关关系是指变量间的()A. 严格的函数关系B. 简单关系和复杂关系C. 严格的依存关系D

323. 相关关系是指变量间的()A. 严格的函数关系B. 简单关系和复杂关系C. 严格的依存关系D. 不严格的依存关系

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If she is _ ,then she will return another day with

If she is _ ,then she will return another day with her son.(3.0分)3.0 分A、definite

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