It has been years ________ I returned home.
A. after
B. that
C. since
D. when
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He insured his car ________ he had an accident.
A. unless
B. if
C. since
D. in case
患者,女性,45岁。患l型糖尿病合并酮症酸中毒,经治疗意识恢复,但短时间后突然感到心悸、饥饿、出汗,随即又发生意识障碍。护士应采取的措施是()
A. 遵医嘱调整胰岛素剂量
B. 加用二甲双胍
C. 使用强心药
D. 静脉推注 50%葡萄糖注射液
E. 应用呼吸兴奋药
In grammatical context, the meaning of a word may be influenced by the ______in which it occurs.
A. structure
B. sentence
C. phrase
D. clause
Idioms nominal in nature have a(n) ______ as the key word in each and function as a noun in sentences.
A. verb
B. adjective
C. preposition
D. noun