联合查询是指将多个不同的查询结果连接在一起组成一组数据的查询方式。联合查询使用（ ）关键字连接各个Select子句。
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We were in ____ the same financial position as before.(precise)
My parents never ___ to tell me when I look bad. (hesitation)
An attractive garden pond can be a ___ home for wildlife. (wonder)
The accused man showed little sign of ___ as he was sentenced. (emotional)
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