更多"The multi-tube boiler system made t"的相关试题:
[单项选择]The multi-tube boiler system made the Rocket, Robert’s locomotive, ______.
A. powerful
B. achieve a speed of 30 miles an hour
C. acquire 25 little tubes
D. good for hauling trains
[单项选择]A Russian-made rocket ______ a US telecommunications satellite ______ successfully ______ on Thursday.
A. carrying; is; launched
B. carrying; was; launched
C. carried; has; launched
D. carried; has been; launched
[单项选择]ASCEND : ROCKET ::
A. (A) multiply : precipitate
B. (B) inflate : bend
C. (C) dilate : bulge
D. (D) contract : implode
E. (E) heat : evaporate
[单项选择]Ccedil;a te conviendrait, ma petite, cette robe en _____ coton.
A. un
B. le
C. une
D. /
[单项选择]A new water boiler was installed in our building last week, which could provide hot water to the students.
A. inspected carefully
B. placed in service
C. undertaken with care
D. undone casually
[单项选择]Ça te conviendrait, ma petite, cette robe en _____ coton.
A. un
B. le
C. une
D. /
[单项选择]（）any trouble with the boiler, the automatic controlling unit will cut off the fuel oil supply.
A. There should be
B. If there had been
C. Should there be
D. If there was
[单项选择]Rocket fuels are more explosive than methane gas because of ______.
A. the temperature at which combustion takes place
B. the degree of oxidation accomplished bp the combustion process
C. the location of the combustion
D. the greater burning velocity
[单项选择]Ca te conviendrait, ma petite, cette robe en _____ coton．
A. un
B. le
C. une
D. /
[单项选择]The purpose of the author in discussing a rocket engine and a steel cylinder is ______.
[单项选择]How fast will a rocket go to escape completely from the Earth's gravity ______
A. Seventy miles per second.
B. Seven thousand miles per hour.
C. Twenty-five thousand miles per second.
D. Twenty-five thousand miles per hour.
[单项选择]What is the most important factor for a rocket to escape from the Earth
A. To travel as fast as it can.
B. To overcome the Earth gravity.
C. To get away from the air resistance.
D. To have strong power in its operation.
