预防低温危害的措施有哪些?

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问题:

预防低温危害的措施有哪些?

考点:园艺学概论第三节生长发育周期(生命周期)第三节生长发育周期(生命周期)题库
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看图,选择正确的单词,将其序号填入括号里。
( ) 1. —What are they?     
            —These are my             .     
            A. pants      B. jeans    C. socks
                                                           
( ) 2. Our neighbour has a new baby.    
            The             are for him.     
            A. socks    B. shoes    C. shorts
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根据短文内容,从下框的A-F 选项中选出能概括每一段主题的最佳选项。选项中有一项为多余项。

A. The secret of the writer’s success        

B. A write with enduring popularity

C. Well-received creation to encourage Brits  

D. The insight into human nature

E. Writing styles in different stages          

F. The story appreciate for school studentsKs

1.[ ]

        Charles Dickens is often thought of as one of  England’s great writers. Yet for many his language is

old-fashioned and his story plots often improbable. Why, Dickens, out of so many other great English

writers, has made the list? How then to explain Dickens’s enduring popularity?

2.[ ]

        One reason undoubtly is the British government’s insistence that every child studies a Dickens novel

at school. Alongside Willian Shakespeare, Charles Dickens is a compulsory (必读的)writer on every

English literature school reading list. His stories, though often over-long by today’s standard,are superbly

written moral tales. They are filled with colorful characters.

3.[ ]  

        But what makes his books stand out from other English writers is his insight into human nature.

Dickens, like Shakespeare, tells us truths about human behavior that are as true to citizens of the 21st

century as they were to his readers in the 19th century. Readers have returned to Dickens’s books again

and again over the years to see what he has to say about readers’own time.

4. [ ]

        The BBC adapted one of his less well-known novels, Little Dorrit, into a popular television drama

that introduced many Brits to the novel for the first time. A dark story about greed and money, it was the

perfect story to illustrate the bad times. No surprise then that it was Dickens Britons turned to, during the

economic crisis last year, to make sense of world rapidly falling apart.

5. [ ]

        Readers of the 19th and early 20th century usually prized Dickens’s earlier novels for their humor and

pathos(悲痛). While recognizing the virtues of these books, critics today tend to rank more highly the later

works because of  their formal coherence and acute perception(洞察力) of the human condition. For as

long as Dickens’s novels have something to say to modern audiences, it seems likely that he will remain

one of Britain’s best loved writers.

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碳酸氢钠在空气中缓慢失去部分()。

A、H2O

B、O2

C、CO2

D、都不对

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下列有关数据库表和自由表的叙述中,错误的是( )。

A.数据库表和自由表都可以用表设计器来建立

B.数据库表和自由表都支持表间联系和参照完整性

C.自由表可以添加到数据库中成为数据库表

D.数据库表可以从数据库中移出成为自由表

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读某地区等高线示意图(单位:m)和地形剖面图(单位:m),回答下列各题。

若该区位于一个拟建水库的库区内,当最高蓄水位达海拔150米时,图示范围内将出现()

A.一个岛

B.两个岛

C.三个岛

D.无岛

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