在电控燃油喷射系统中，燃油供给系统的功用是向汽缸内供给燃烧时所需一定量的燃油。

黑板上画了一条7厘米直线．______．

通常鼠标器与PC连接的接口是

A．LPT1

B．Centronics

C．LPT2

D．COM1

在医院健康教育中，不属于住院教育形式的是（）

A.出院教育

B.病房教育

C.入院教育

D.随访教育

E.出院后教育

What does the speaker say about the artists in the United States during the Great Depression

A．Many artists lost faith in the value of art.

B．Many artists were forced to take jobs in other fields.

C．Many artists moved away from large cities.

D．Many artists in the United States moved to other countries.

车辆制动器的间隙应适当，如制动间隙过小会造成（）。

A.不能制动；

B.制动蹄难复位；

C.制动解除不彻底。