黑森瘿蚊以何种方式远传?检疫中,如何判断幼虫的死亡状况?

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问题:

黑森瘿蚊以何种方式远传?检疫中,如何判断幼虫的死亡状况?

考点:农学植物检疫植物检疫题库
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下列激素分泌不足引起呆小病是()。

A.促甲状腺激素

B.生长素

C.性激素

D.甲状旁腺素

E.甲状腺激素

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收费人员在岗工作仪容端庄,着统一工作服,佩戴()。

A.工作证

B.收费员证

C.上岗证

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The concept of solitude(独处) in the digital world is almost non­existent.In the world of digital technology,e­mail,social networking and online video games,information is meant to be ___.Solitude can be hard to discover____it has been given up.In this respect,new technologies have___our culture.
The desire to be connected has brought solitude to a(n)____as we’ve known it.People have become so____in the world of networks and connections that one can often be contacted____they’d rather not be.Today we can talk,text,e­mail,chat and blog(写博客),not only from our____,but from our mobile phones as well.
Most developed nations have become ____on digital technology simply because they’ve grown accustomed to it,and at this point not____it would make them an outsider.____,many jobs and careers require people to be____.From this point of view,technology has changed the culture of work.Being reachable might feel like a___to those who may not want to be able to be contacted at all times.
I suppose the positive side is that solitude is still possible for anyone who____wants it.Computers can be shut____and mobile phones can be turned off.The ability to be “connected” and “on” has many____,as well as disadvantages.Travelers have ended up____on mountains,and mobile phones have saved countless lives.They can also make people feel ____and forced to answer unwanted calls or____to unwanted texts.
Attitudes towards our connectedness as a society____across generations.Some find today’s technology a gift.Others consider it a curse.Regardless of anyone’s view on the subject,it’s hard to imagine what life would be like____daily advancements in technology.(2012·江苏)
小题1:
A.updatedB.received
C.sharedD.collected
小题2:
A.thoughB.until
C.onceD.before
小题3:
A.respectedB.shaped
C.ignoredD.preserved
小题4:
A.edgeB.stage
C.endD.balance
小题5:
A.sensitiveB.intelligent
C.considerateD.reachable
小题6:
A.even ifB.only if
C.as ifD.if only
小题7:
A.mediaB.computers
C.databasesD.monitors
小题8:
A.bent B.hard
C.keenD.dependent
小题9:
A.findingB.using
C.protectingD.changing
小题10:
A.AlsoB.Instead
C.OtherwiseD.Somehow
小题11:
A.connectedB.trained
C.recommendedD.interested
小题12:
A.pleasureB.benefit
C.burdenD.disappointment
小题13:
A.slightlyB.hardly
C.merelyD.really
小题14:
A.outB.down
C.upD.in
小题15:
A.aspectsB.weaknesses
C.advantagesD.exceptions
小题16:
A.hiddenB.lost
C.relaxedD.deserted
小题17:
A.trappedB.excited
C.confused D.amused
小题18:
A.turnB.submit
C.objectD.reply
小题19:
A.vary B.arise
C.spreadD.exist
小题20:
A.beyondB.within
C.despiteD.without
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成人对钙的实际摄入量是应该摄人量的( )。

A.20.28%

B.45.13%

C.61.59%

D.43.75%

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大小和方向都不随时间变化的电压、电流、电动势统称为直流电。

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