20．It was four o'clock in the afternoon_

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问题选择题

20．It was four o'clock in the afternoon_____he and his grandpa reached the museum in Guanghan, _____an official warmly received them.

A．that; where

B．when; that

C．when; where

D．that; when

答案

答案：C

单项选择题 A1型题

患者女，48岁。因呼吸衰竭入院，现患者无自主呼吸，应用简易呼吸器抢救。正确的做法是（）

A.协助患者去枕仰卧

B.护士站在患者头侧，使患者尽量前倾，开放气道

C.有规律地挤压、放松呼吸气囊，9～12次／分

D.每次挤压不少于400ml气体

E.注意观察患者，如果有自主呼吸，应在吸气时挤压气囊

判断题

标题的语法结构不正确，不是一个偏正词组。