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单选题
The words such as quantity, grade, viscosity and specific gravity should be in the （）.
A
repair list
B
spare parts order list
C
price list
D
bunker list
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设在SQL Server 2008某数据库中有表SC（Sn0，Cn0，Grade），其中Grade列的类型为int。若在查询成绩时，希望将成绩按“优”、“良”、“中”、“及格”和“不及格”形式显示，则下列Case函数中正确的是（ ）。A.Case GradeWhen Grade between 90 and 100 THEN Grade=ˊ优ˊWhen Grade between 80 and 89 THEN Grade=ˊ良ˊWhen Grade between 70 and 79 THEN Grade=ˊ由ˊWhen Grade between 60 and 69 THEN Grade=ˊ及格ˊElse Grade=ˊ不及格ˊEndB.Case GradeWhen Grade between 90 and 100 THEN ˊ优ˊWhen Grade between 80 and 89 THEN ˊ良ˊWhen Grade between 70 and 79 THENˊ中ˊWhen Grade between 60 and 69 THENˊ及格ˊElseˊ不及格ˊEndC.CaseWhen Grade between 90 and 100 THEN Grade=ˊ优ˊWhen Grade between 80 and 89 THEN Grade=ˊ良ˊWhen Grade between 70 and 79 THEN Grade=ˊ由ˊWhen Grade between 60 and 69 THEN Grade=ˊ及格ˊElse Grade=ˊ不及格ˊEndD.CaseWhen Grade between 90 and 100 THENˊ优ˊWhen Grade between 80 and 89 THEN ˊ良ˊWhen Grade between 70 and 79 THEN ˊ由ˊWhen Grade between 60 and 69 THEN ˊ及格ˊElseˊ不及格ˊEnd
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小学英语?语音
一、考题回顾
二、考题解析
【教案】
Teaching aims:
Knowledge aim:
Students will master the pronunciation of letter group br and gr
Ability aim:
Students will improve their speaking ability .
Emotional aim:
Students will be more confident in English learning.
Key and difficult point:
Key Point and difficult Point: the pronunciation of these two letter groups and can discriminate them in speaking and listening.
Teaching procedure:
Step 1: Warming-up
1. Greeting.
2. Chant:
Red red red touch your head,
Blue blue blue tie your shoe,
Brown brown brown touch the ground,
White white white take a bite,
Black black black touch your back,
Purple purple purple draw a circle,
Pink pink pink give a wink,
Gray gray gray shout hurray!
Step 2: Presentation
1. Present the words by showing pictures. Then let them find the pronunciation of br- and gr-.
2. Spell the words, such as /gr//ei//p/-/greip/.
Step 3: Practice
1. Flash card. I show the pictures and students say the words.
2.Let students read and group.
Step 4: Production
Look at the pictures and complete the sentences with the words with br- and gr-. such as There is a boy with a green umbrella.
Step5: Summary and Homework
Summary: make a brief summary of what we have learned today.
Homework: Summarize the words we learnt with br- and gr-.
Blackboard design:
1.Please talk about your key and difficult points.
2. What are your teaching aims?
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设SC表中记录成绩的列为：Grade，类型为int。若在查询成绩时，希望将成绩按‘优’、‘良’、‘中’、‘及格’和‘不及格’形式显示，正确的Case函数是（）。A Case Grade When 90~100 THEN ’优’ When 80~89 THEN ’良’ When 70~79 THEN ’中’ When 60~69 THEN ’及格’ Else ’不及格’ EndB Case When Grade between 90 and 100 THEN Grade = ’优’ When Grade between 80 and 89 THEN Grade = ’良’ When Grade between 70 and 79 THEN Grade = ’中’ When Grade between 60 and 69 THEN Grade = ’及格’ Else Grade = ’不及格’ EndC Case When Grade between 90 and 100 THEN ’优’ When Grade between 80 and 89 THEN ’良’ When Grade between 70 and 79 THEN ’中’ When Grade between 60 and 69 THEN ’及格’ Else ’不及格’ EndDCase Grade When 90~100 THEN Grade = ’优’ When 80~89 THEN Grade = ’良’ When 70~79 THEN Grade = ’中’ When 60~69 THEN Grade = ’及格’ Else Grade = ’不及格’ End
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（） is the operation to check the quantity, quality and package of the goods according to the contract and the specific standardA、InspectionB、ExaminationC、ControlD、Test
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单选题The viscosity regulator controls the （） of the fuel oil in order to provide the oil at the correct viscosity for combustion.A
temperatureB
pumping rateC
pressureD
heat
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单选题Heavy residual fuel oils are heated prior to centrifuging to （）A
reduce fuel weightB
increase specific gravityC
separate fuel from lube oilD
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单选题Sea water is not used directly as a coolant because of （）.A
low specific heatB
high specific heatC
corrosive actionD
high viscosity
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discharge of ballast or cleaning water from fuel tanksB
sounding levels of all fuel tanks on a daily basisC
the grade and specific gravity of all fuel oil carriedD
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单选题（） water is more expensive than fresh water It has high specific heat and low viscosity.A
DistilledB
DistillingC
BoilingD
Boiled
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单选题If the bill of lading contains the words weight and quantity unknown，the shipper must（）that the goods were in fact shipped to succeed in an action for non-deli-very.A
showB
makeC
getD
have
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单选题Which factor determines the ring dam size for a fuel oil, tubular bowl type, centrifugal purifier?（）A
The viscosity off the fuelB
The quantity of water to be removed from the fuelC
The specific gravity of the fuelD
The quantity of dirt to be removed from the fuel
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单选题（）is the operation to check the quantity, quality and package of the goods according to the contract and the specific standard.A
InspectionB
ExaminationC
ControlD
Test
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单选题（） is the operation to check the quantity, quality and package of the goods according to the contract and the specific standardA
InspectionB
ExaminationC
ControlD
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单选题Which of the following statements describes the relationship between viscosity and specific gravity?（）A
Liquids with different viscosities will always have the same specific gravityB
Liquids with different viscosities will never have the same specific gravityC
Viscosity and specific gravity are directly proportionalD
Viscosity and specific gravity are not related in that one does not define or limit the other
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单选题Which of the following statements is correct regarding an oil with a high viscosity index?（）A
A large change of viscosity occurs with a minor change in temperatureB
No change in viscosity occurs with any change in temperatureC
Very little change in viscosity occurs with a significant change in temperatureD
The viscosity of the oil increases with an increase in temperature
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单选题设SC表中记录成绩的列为：Grade，类型为int。若在查询成绩时，希望将成绩按‘优’、‘良’、‘中’、‘及格’和‘不及格’形式显示，正确的Case函数是（）。A
Case Grade When 90~100 THEN ’优’ When 80~89 THEN ’良’ When 70~79 THEN ’中’ When 60~69 THEN ’及格’ Else ’不及格’ EndB
Case When Grade between 90 and 100 THEN Grade = ’优’ When Grade between 80 and 89 THEN Grade = ’良’ When Grade between 70 and 79 THEN Grade = ’中’ When Grade between 60 and 69 THEN Grade = ’及格’ Else Grade = ’不及格’ EndC
Case When Grade between 90 and 100 THEN ’优’ When Grade between 80 and 89 THEN ’良’ When Grade between 70 and 79 THEN ’中’ When Grade between 60 and 69 THEN ’及格’ Else ’不及格’ EndD
Case Grade When 90~100 THEN Grade = ’优’ When 80~89 THEN Grade = ’良’ When 70~79 THEN Grade = ’中’ When 60~69 THEN Grade = ’及格’ Else Grade = ’不及格’ End
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