[判断题]用二氧化碳灭火剂扑救不同物质火灾所需的最低灭火浓度是一样的。-我要搜题网

[单项选择]胎儿肾未成熟可导致羊水（）
A. AFP降低
B. AFP升高
C. 肌酐降低
D. 肌酐升高
E. 黏多糖沉积

[不定项选择题]共用题干 London Cabbies（出租车司机）

Every city in the world has taxis to take tourists to interesting places.London is the only
city in the world where taking a taxi is an_________(1)experience for tourists.This is
partly because of the special black cabs,which are found in no other country.But it is also
because of the drivers themselves.__________(2)British people are famous for being
polite and reserved,London cabbies are well-known_______(3)their willingness to
talk.
Some customers say that once the door shuts and the cab________(4)off they are
a captive（监禁了的）audience. It is impossible to get the taxi driver to stop _________ (5).
"They're self-confident and free thinking,"said Malcolm Linskey,the author of a history of
taxi drivers in London.
They are also expensive.London has the most expensive taxis of any city in the world
except Tokyo.That's why Ken Livingstone,the Mayor of London,is planning to make taxi
drivers negotiate their fares with_________(6)before they take a ride.
Drivers agree that their fares are expensive. That's because their black taxis_______(7)
more than other cars,they say.And the customer is also paying for more driving expertise
（专门知识） than anywhere else in the world.
Before someone can qualify as a London taxi driver,that person has to pass a test
_________(8)simply as"The Knowledge".This involves________(9)the name and
location of every street within six miles of a point in the exact centre of London.The trainee
（受训者）must also learn the exact location of every important building within these streets.
Finally he or she must be able to use this knowledge to work out the________(10)
distance between any two destinations within this area.
It can________(11)up to three years to pass"The Knowledge".Every day it is
possible to see trainee taxi drivers on the streets of London,taking careful notes of popular
destinations before tracing the route to their next stop. Cab driving is a job often_______
(12)down in families.Many taxi drivers take their children out in their spare time to
memorize_________(13)they need to know when it is their turn to do"The Knowledge".
London cabbies also have bigger brains.Recent research found that the part of the
brain that remembers things was larger and more________(14)in cab drivers.They
have to fit the whole of London into their heads,so their brains grow bigger.So perhaps it is
not__________(15)that taxi drivers have lots to say. _________(15)
A.surprising
B.wondering
C.doubting
D.suspecting

[判断题]用二氧化碳灭火剂扑救不同物质火灾所需的最低灭火浓度是一样的。( )A.正确B.错误

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[判断题]用二氧化碳灭火剂扑救不同物质火灾所需的最低灭火浓度是一样的。( )
A.正确
B.错误