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【单选题】
蛋白质生物合成的遗传信息系统是:
A.
] DNA、rRNA
B.
] DNA、mRNA
C.
] DNA、RNA
D.
] mDNA、rRNA
E.
] mDNA、tRNA
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举一反三
【单选题】水利工程中常见的工作方式为 “ 后退向下,强制切土 ” 的挖掘机械是( )
A.
正铲
B.
反铲
C.
索铲
D.
抓斗
【单选题】"州都之官"指的是
A.
B.
C.
大肠
D.
小肠
E.
膀胱
【单选题】When last year’s tax estimate is under estimated, this year’s tax expense will
A.
Be increased
B.
Be decreased
C.
Not be affected
D.
None of the above
【单选题】我国地下管线权属关系非常复杂,水、电、气、热、通讯管网分别属于不同的权属单位,同一条管线每个部分的权属也不同,往往出现了 “ 都在管,结果都管得不太好 ” 的状况。为避免这种状况应 ( ) 1 搞好部分,用局部的发展带动整体的发展 2 统筹全局,使整体功能大于部分功能之和 3 系统优化,用综合的思维方式来把握事物 4 优化组合,把各个具体要素相加起来考察
A.
①②
B.
①④
C.
②③
D.
②④
【单选题】“州都之官”指的是
A.
B.
C.
小肠
D.
膀胱
【单选题】"州都之官"指的是
A.
膀胱
B.
C.
三焦
D.
小肠
E.
大肠
【单选题】In the US, people argue about
A.
whether people under 18 need cosmetic surgery.
B.
under what circumstance people should have cosmetic surgery.
C.
at what age people should have cosmetic surgery.
D.
whether cosmetic surgery should cater for average people.
【单选题】“州都之官”指的是
A.
B.
C.
小肠
D.
大肠
E.
膀胱
【单选题】“ 州都之官 ” 指的是
A.
B.
C.
小肠
D.
三焦
E.
膀胱
【单选题】According to the passage, which of the following statements is true about tax in the US?
A.
The income tax rates are the same for every person.
B.
All state governments require people to pay sales taxes.
C.
Americans think that paying tax is something that can't be avoided.
D.
Americans have conflicting views on whether they should pay taxes.
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