The passage is mainly about______. [br] CPAP is a useful machine for people with

游客2023-09-07 34

问题 The passage is mainly about______. [br] CPAP is a useful machine for people with snoring problems because it can help to______.

选项

答案 FORCEOXYGENINTOTHEAIRWAY

解析细节辨认题。此处需要填入动词性成分与to构成不定式。由定位句里的同位语结构可知，此处应填入force oxygen into the airway。

转载请注明原文地址:https://tihaiku.com/zcyy/2993696.html

相关试题推荐

随机试题

最新回复(0)

Doyouhavetroublerememberingpeople’snames?Thenmaybethisisforyou.