第1题:
The earthquakes leave scars in the earth’s crust.(英译汉)
第2题:
It is _______ to tell which is earth and which is sky.
A: enough easy
B: easily enough
C: easy enough
D: enough easily
第3题:
A bypass line provided around a waste heat auxiliary boiler in a diesel engine exhaust system, may be used to avoid boiler ______.
A.corrosion at low engine loads
B.erosion at high engine loads
C.overload at high engine loads
D.scaling at all exhaust temperatures
第4题:
第5题:
第6题:
第7题:
土石坝(earth-rock dam)
第8题:
第9题:
more and more evidence shows college education may not be the best thing for high school graduates
college education is not enough if one wants to be successful
college education benefits only the intelligent, ambitious, and quick-learning people
intelligent people may learn quicker if they don’ t go to college
第10题:
a high viscosity index
a low viscosity index
neutralize acids
resist oxidation at high temperatures
第11题:
geostrophic winds
doldrums
horse latitudes
prevailing westerlies
第12题:
a worn water pump
not enough coolant
air in the cooling system
all of the above
第13题:
A、to
B、of
C、for
D、with
第14题:
The best title for the text may be_____ .
[A] The Green Threat [B] Protecting Forests [C] Earth’s Liberation [D] Terrorism Defeated
第15题:
第16题:
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第18题:
第19题:
对
错
第20题:
people are killed and injured
rocks are breaking and shifting
destructive waves flood the coasts for miles
large sections of the earth's rock)r outer shell suddenly break and shift
第21题:
low viscosity index
high viscosity index
high neutralization number
low demulsibility quality
第22题:
directly from high pressure toward low pressure
directly from low pressure toward high pressure
from high pressure toward low pressure deflected by the earth's rotation
from low pressure toward high pressure deflected by the earth's rotation
第23题:
early injection timing
worn orifices in the injection nozzles
worn or scored cylinder liners
using a fuel with too low of a cetane number