纽约步的节拍是（ ） 。 A: two and three and four one B: one two three four and one C: one two three four D: two and three four one

One of the differences between a two-stroke engine and a four-stroke engine is,（） A: a two-stroke engine works without exhaust operation B: a two-stroke engine works without compression stroke C: a two-stroke engine works without expansion stroke D: a two-stroke engine works without suction operatio

A two stroke diesel engine exhaust temperature will be lower than a four stroke diesel engine of the same displacement because the _____. ① MEP is lower and the scavenging air is cooling the exhaust gases ② valve overlap in a four stroke A.① B.② C.① and ② D.Neither ① nor ② is correct

The third stroke is the power stroke．

以下语句的执行结果是什么？console.log('one');setTimeout(function(){ console.log('two');},0);console.log('three');console.log('four'); A: “one” “three” “four” “two” B: “one”“two” “three” “four” C: 不确定 D: 以上都不对