1912年1月1日,孙中山在____宣誓就职临时大总统,改国号为“中华民国”。

1913年____被刺杀后,孙中山毅然发动武装反袁的“二次革命”。

戊戌维新运动失败后,以____为代表的革命派在中国掀起了一场资产阶级革命运动。

____运动的失败,使孙中山认识到“南与北如一丘之貉”,想依靠南方军阀来反对北洋军阀,是行不通的。

Oils used in automobiles need some ______ to improve their characteristics.

A. additives
B. antifreeze
C. lubricant
D. coolant

When water freezes, it expands approximately ______ percent in volume.

A. seven
B. eight
C. nine
D. ten

In an automobile engine,heat flows or transfers from the iron or aluminum cylinder to the cooling water,and from the coolant to the copper or aluminum ______ .

A. pump
B. radiator
C. piston
D. fan

In an automobile engine, heat flows or transfer from the iron or aluminum cylinder to the______, and from the coolant to the copper or aluminum radiator.

A. cylinder head
B. cooling water
C. oil
D. lubrication

The coolant gets hot______ it goes through the engine.

A. when
B. where
C. as
D. which

The ______of the lubricating system is to supply all moving parts inside the engine with lubricating oil.

A. funtion
B. gaol
C. purpose
D. objecive