Such problem （）air, water, and noise pollutions are becoming more and more serious in some big cities.

A、like

B、as

C、of

D、about

查看正确答案

更多“Such problem （）air, water, and noise pollutions are becoming more and more serious in some big cities.”相关的问题

第1题

[单选题] Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger?（）

A、Reduce engine speed to idle before removing the filter B、Soak the dirty filter in kerosene only C、Blow out the air inlet with compressed air D、Cover the air inlet after removing the filter

点击查看答案

第2题

[单选题] The scavenging air ports are located at （） that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.

A、so a height B、such a height C、so high D、such high

点击查看答案

第3题

[单选题] Which of the following problems could cause air to blow out through the inlet air filter of a running compressor?（）

A、Excessive compression in the cylinder B、A broken intake valve C、A dirty inlet filter element D、An improperly adjusted discharge valve

点击查看答案

第4题

[单选题] Which of the following problems can cause an above normal air temperature to develop in the intake manifold of a turbocharged and after-cooled diesel engine?（）

A、Faulty turbocharger turbine diffuser ring B、Faulty turbocharger compressor ring C、Insufficient cooling water flow D、Clogged air intake filters

点击查看答案

第5题

[单选题] I don't want you（）your brains about such problems.

A、being always bothered B、always to be bothered C、to be always bothering D、to be always bothered

点击查看答案

第6题

[单选题] Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?（）

A、Corrosion and eventual failure of the tank B、Gumming of the tank relief valves C、Immediate failure of components downstream of the compressed air system D、Boiling of the water oil mixture as pressure is reduced

点击查看答案

第7题

[单选题] Which of the following problems is the main source of fuel pump and injection system malfunctions?（）

A、Improper lubrication B、Air in the fuel system C、Coated fuel lines D、Excessive vibration

点击查看答案

第8题

[单选题] His visits gave his grandparents（）

A、such pleasure B、such a pleasure C、such pleasures D、a such pleasure

点击查看答案

第9题

[单选题] Which of the listed problems can be a cause of low compression pressure in a diesel engine?（）

A、clogged air filter B、compression stroke C、burned exhaust valves D、all of the above