1、单选题：
The heart of automobile is ( )
选项：
A:electric system
B:engine
C:body
D:chassis
答案: 【engine】

2、单选题：
( ) holds all the main components and parts together.
选项：
A:chassis
B:engine
C:clutch
D:brake
答案: 【chassis】

3、单选题：
( ) is a sheet metal shell with windows, doors, a hood, and a trunk deck built into it.
选项：
A:clutch
B:body
C:engine
D:chassis
答案: 【body】

4、判断题：
Automobile have many kind of structure and shape, but their basic structure is different each other.（ ）
选项：
A:错
B:对
答案: 【错】

5、判断题：
Any automobile is composed of the section such as engine, chassis, body, electric system. （ ）
选项：
A:错
B:对
答案: 【对】