The main engine’s 75%（）figure is as standard applied in the calculation of the（）figure，in which also the CO₂ emission from the auxiliary engines of the ship is included.

单项选择题What does the writer feel about boys？（）

A.He feels curious about their noise.
B.He is fed up with these creatures.
C.He is amazed by their naughtiness.
D.He feels unsafe staying with them.

单项选择题According to the writer，boys appreciate everything in the following except （）.

A.ice cream
B.comic books
C.Saturday mornings
D.Sunday schools

单项选择题The underlined sentence “he has five thumbs on each hand”probably means（）.

A.he has altogether five fingers
B.he is slow，foolish and clumsy
C.he becomes clever and smart
D.he cuts his hand with a knife

单项选择题The whole passage is in a tone（调子）of （）.

A.humor and love
B.respect and harmony
C.ambition and expectation
D.confidence and imagination

单项选择题Michelangelo is known for（）.

A.his Mona Lisa
B.his paintings in Sistine Chapel
C.his well-balanced pictures
D.his contributions to science

单项选择题（）is famous for his paintings and for his talent in science.

A.Raphael
B.Leonardo da Vinci
C.Michelangelo
D.Mona Lisa

单项选择题Which of the following statements is implied in the first paragraph of the passage？（）

A.Geniuses are born talented.
B.Geniuses are often produced in the same age.
C.Fighting for the riches of the newly -discovered Americas produced geniuses.
D.A period during which new ideas were replacing older ideas might produce geniuses.

单项选择题To know why in some periods you find many intelligent men and few in other is （）.

A.an easy thing to do
B.a very difficult thing to do
C.not important
D.unnecessary

单项选择题Another name for the 16th century is the（）.

A.Classical Age
B.Middle Ages
C.“Age of Genius”
D.Age of Renaissance

单项选择题In the quarter ended 31 March 20X2，Chas had taxablesales，net of sales tax，of $90,000 and taxable purchases，net of sales tax，of $72,000.If the rate of sales tax is 10%，how much sales tax is due？（）

A.1,800 receivable
B.2,000 receivable
C.1,800 payable
D.2,000 payable