直接起阀式起动装置是进入气缸的起动空气全部经过（），由它按发_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

直接起阀式起动装置是进入气缸的起动空气全部经过（），由它按发火顺序将空气送入各缸的气缸起动阀内腔。

A、起动控制阀

B、主起动阀

C、空气分配器

D、截止阀

答案

参考答案：C

选择题

鸟的下列结构中与“鸟的全身都为飞行而设计”含义不符的是（　　）

A．体内有气囊

B．胸肌发达

C．前肢变成翼

D．有角质喙

单项选择题

With the sudden onset of severe psychotic symptoms, the individual is said to be experiencing acute schizophrenia (精神分裂症). "Psychotic" means out of touch with reality, or unable to separate real from unreal experiences. Some people have only one such psychotic episode. Others have many episodes during a lifetime but lead relatively normal lives during interim periods. The individual with chronic (continuous or recurring) schizophrenia often does not fully recover normal functioning and typically requires long-term treatment, generally including medication, to control the symptoms. These symptoms may include hallucinations (幻觉), incoherence, delusions, lack of judgment, deterioration of the abilities to reason and feel emotion, and a lack of interaction between the patient and his environment. The hallucinations may be a visual, auditory, or tactile. Some chronic schizophrenic patients may never he able to function without assistance of one sort or another.

It can be inferred from the passage that a person experiencing acute schizophrenia most likely ______.

A．cannot live without medication

B．cannot go on living

C．can hold a full-time job

D．cannot distinguish real from unreal