For many weeks, I searched high and low to try to find some females to go with them, but without success. Pick out the idiom in this sentence, then point out its structure, grammatical functions and rhetorical feature.
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属于病因性诊断的是
A. 心功能不全
B. 肺动脉高压
C. 呼吸衰竭
D. 病毒性心肌炎
E. 休克
Decide whether the following statement is true or false, based on your understanding of the stylistic features of idioms. Stylistically speaking, most idioms are neither formal nor informal.
What are the differences between metonymy and synecdoche
以下哪一项是脾胃虚寒型胃痛的疼痛最主要特点
A. 胃痛暴作,畏寒喜暖,温熨胃脘部可使之减轻
B. 胃脘胀满,攻撑作痛,脘痛连胁
C. 胃脘灼痛,痛势急迫,嗳腐吞酸
D. 胃痛隐隐,喜暖喜按
E. 胃脘隐隐灼痛,口干咽燥