皮皮学，免费搜题
登录
搜题
【单选题】
You can't eat the cake, ____ you will have too much.A.
but
B.
if
C.
or
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】It can be inferred from the first paragraph that
A.
oil was first discovered and used in the Middle East.
B.
the oil age is short-lived and has already come to its end.
C.
the shortage of kerosene led to the use of petrol and diesel.
D.
the oil age is largely attributed to technological developments.
【单选题】Which of the listed conditions can be used to determine if lube oil has been diluted by fuel? .
A.
Viscosity is decreased
B.
Octane number is altered
C.
Pump speed is decreased
D.
Blower’s speed is decreased
【单选题】Satellite tracking and remote communication systems can be used to
A.
reduce oil consumption.
B.
remove the obstacles on the road.
C.
call for help when one's car crashes.
D.
help drivers get out of a traffic jam.
【单选题】A lube oil filter can be used to remove most contaminants from lube oil. A contaminant which will remain in the lube oil after filtering is ____.
A.
acid
B.
fuel oil
C.
sediment
D.
water
【单选题】____ can be used to prevent hydraulic system overloaded or keep the pressure of oil outlet from pump constant
A.
Overflow valve
B.
Reducing valve
C.
Balancing valve
D.
Reducing valve or balancing valve
相关题目：