Part 2 (3—______ ) ______ revolutions
Part 2 (3—______ ) ______ revolutions
The order “Stop engines” means “no engine revolutions”.
The order “Stop engines” means “no engine revolutions”.
The order “Stop engines” means “no engine revolutions”. A: 正确 B: 错误
The order “Stop engines” means “no engine revolutions”. A: 正确 B: 错误
No matter how slow technology revolutions are, they can change our lifestyles.
No matter how slow technology revolutions are, they can change our lifestyles.
With four-stroke engines， it takes four revolutions of the crank shaft to make （） power stroke(s).
With four-stroke engines， it takes four revolutions of the crank shaft to make （） power stroke(s).
1.Tachometer measures the speed of rotation of the engine, in revolutions per minute (RPM) (see Fig.7-10a).
1.Tachometer measures the speed of rotation of the engine, in revolutions per minute (RPM) (see Fig.7-10a).
（）出版于1962年的著作The structure of Scientific Revolutions开创了paradigm shift这一概念
（）出版于1962年的著作The structure of Scientific Revolutions开创了paradigm shift这一概念
The engine is () at 6,000 revolutions per minute. A: turning in B: turning off C: turning over D: turning to
The engine is () at 6,000 revolutions per minute. A: turning in B: turning off C: turning over D: turning to
The British Bourgeois Revolution exerted great influence on ________ and the ________ revolutions in the 18th century. A: American B: German C: French D: Spanish
The British Bourgeois Revolution exerted great influence on ________ and the ________ revolutions in the 18th century. A: American B: German C: French D: Spanish
The( )shows you the engine speed in revolutions per minute ( rpm). A: odometer B: trip meter C: speedometer D: tachometer
The( )shows you the engine speed in revolutions per minute ( rpm). A: odometer B: trip meter C: speedometer D: tachometer