I am a fresh air fiend.()
第1题:
In Leon Nacson’s view, air and water are our Number One priorities for the following reasons except ().
A、he cannot understand why people are polluting air and water
B、there will definitely be no fresh air and clean water for future generations
C、we would run out of air and water if we didn’t stop polluting them
D、air and water polluting are the current and futu
第2题:
第3题:
第4题:
Hi, welcome back! Have a nice trip?()
第5题:
We should take ()to keep the chemicals away from fire.
第6题:
up and draw in a fresh air charge
down to burn off fuel
down to compress the fuel air charge
up and force out the exhaust gases
第7题:
My vessel is leaking
My vessel is producing fresh water
My vessel is producing sea water
Sea water is de-salted on board my vessel
第8题:
delivering more air into the cylinder than it would normally receive during an ordinary charging process
forcing the products of combustion out of the cylinder with the fresh air charge
collecting the air charge at the cleaner
combustion and expansion of hot gas
第9题:
the supply of normal air and removal of compressed air
the supply of fuel oil and combustion of the atomized oil
the supply of fresh air and removal of exhaust gases
the supply of fresh air and removal of the extra heat
第10题:
How to fight air pollution in big cities.
How to avoid air pollution in big cities.
How to breathe fresh air in big cities.
How serious air pollution is in big cities.
第11题:
Oh, fantastic! Fresh air, and
Come on, I've got lots of fun
By the way, I don't like Saturdays
Well, I'll look forward to your phone call sunshine every day
第12题:
camshaft;fresh air
camshaft;starting air
electronic motor which is controlled by a computer;fresh air
electronic motor which is controlled by a computer;starting air
第13题:
I AM MAKING WATER means ______.
A.My vessel is leaking
B.My vessel is producing fresh water
C.My vessel is producing sea water
D.Sea water is de-salted on board my vessel
第14题:
第15题:
Hi, welcome back! Have a nice trip?()
AOh, fantastic! Fresh air, and
BCome on, I've got lots of fun
CBy the way, I don't like Saturdays
DWell, I'll look forward to your phone call sunshine every day
第16题:
The ()(天窗) admits light and fresh air through.
第17题:
the cylinder head
the cross-head
the moving piston
the stationary piston
第18题:
Gas exchange
Charging
Scavenging
Supercharging
第19题:
to need
ready for
want to
going to be
第20题:
the suction
the compression
the removal
the deliver
第21题:
catch plates
dampers
regulating valves
fans
第22题:
admit only enough fresh outside air to provide proper ventilation
reduce the air reheating system load
lower the compressor head pressure
operate the purge recovery unit continuously
第23题:
am used to sleep
am use to sleeping
used.to sleeping
used to sleep