网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
What are transported mainly by water? （）
A
Raw materials
B
Heavy, bulky and low value commodities
C
Semi-processed
D
Great amount goods
参考答案
参考解析
解析：
暂无解析
更多 “单选题What are transported mainly by water? （）A Raw materialsB Heavy, bulky and low value commoditiesC Semi-processedD Great amount goods” 相关考题
考题
What keeps Grimsvotn still?A. The slow flow of waterB. The low water temperatureC. The thick glacierD. The water pressure
考题
What is talk mainly about?A． The history of the term.B． The courses for the term.C． The plan for the day.
考题
The text is mainly about .A.water supply and increasing populationB.water use management and agricultureC.water redistribution and wildlife protectionD.water shornages and environmental protection.
考题
What is head tank in the closed cooling water system used for?A.for the release of air from the cooling waterB.providing expansion room for heated cooling waterC.a place for implementing water and water treatment agentD.all of the above
考题
what chemicals did you use to treat the boiler water ?when you test alkalinity and acidity of water in boiler by pH test paper ? the result shows the boiler water is in acidiity . please describe what the possible cause is .
考题
What is the conversation mainly about?A． Buying some booksB． Repairing a watchC． Finding a place
考题
What is the passage mainly about? __________A.Negotiation in family
B.Education in family
C.Harmony in family
D.Teenage trouble in family
考题
单选题What is head tank in the closed cooling water system used for?（）A
for the release of air from the cooling waterB
providing expansion room for heated cooling waterC
a place for implementing water and water treatment agentD
all of the above
考题
单选题What describes a flood current（）.A
Horizontal movement of the water toward the land after high tideB
Horizontal movement of the water toward the land after low tideC
Horizontal movement of the water away from the land following high tideD
Horizontal movement of the water away from the land following low tide
考题
单选题For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）A
the temperature and flow quantity of the exhaust gas from M.EB
the quantity of steam demandedC
the rotary speed and the cooling water temperature of main engineD
efficiency of M.E turbocharger
考题
单选题What is the BEST conductor of electricity（）.A
Carbon dioxideB
Distilled waterC
Fresh waterD
Salt water
考题
单选题In moderate wind and current what should be the length of chain with a single anchor?（）A
5 times the depth of the water in good holding groundB
10 times the depth of the water in shallow waterC
2 times the depth of the water in poor holding groundD
8 times the depth of the water in deep water
考题
单选题What is the operating principal of a flash type evaporator?（）A
Sea water is heated to boiling temperature under a vacuumB
Sea water is passed over heated plates in a thin filmC
Heated sea water is injected into a vacuum chamberD
Sea water is forced through a heated eductor
考题
单选题When a teacher asks students to brainstorm what they will write about an unforgettable trip, he/she mainly focuses on ________A
ideasB
layoutC
styleD
feedback
考题
单选题What does the notice mainly discuss?A
An approaching pay cutB
Employees’ vacation schedulesC
An upcoming renovationD
Newly hired kitchen supervisors
考题
单选题What should you apply to a fathometer reading to determine the depth of water?（）A
Subtract the draft of the vesselB
Add the draft of the vesselC
Subtract the sea water correctionD
Add the sea water correction
考题
单选题The emulsion of the oil is mainly caused by （）.A
the solid impurities of large particleB
the solid impurities of fine particleC
the water contentD
both water and solid impurities
考题
单选题What does salt water draft mean?（）.A
It means summer draftB
It means maximum draftC
It means fresh water draftD
It means seawater draft
考题
单选题What sort of pets do people bring to the surgery mainly?A
Cats and dogs.B
Snakes and parrots.C
Rats and ferrets.
考题
单选题What alarm is NOT found on an inert gas system? （）A
Low oxygen alarmB
Low pressure alarmC
Scrubber high water level alarmD
Deck seal low water alarm
考题
单选题For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）A
the temperature and flow quantity of the exhaust gas from M/EB
the quantity of steam demandedC
the rotary speed and the cooling water temperature of main engineD
efficiency of M/ turbocharger
考题
问答题What does the passage mainly talk about?
热门标签
最新试卷