这个导向箭头是何含义?() A.指示车道 B.指示禁行 C.指示合流 D.指示直行

题型:单项选择题

问题:

这个导向箭头是何含义?()

A.指示车道

B.指示禁行

C.指示合流

D.指示直行

考点:机动车驾驶人考试基础知识理论考试(科目一)小车
题型:单项选择题

下列化学肥料中,属于复合肥料的是  [ ]

A.NH4Cl  

B.Ca(H2PO42

C.K2SO4

D.(NH42HPO4

题型:单项选择题

下列句子中,没有语病的一句是(      )

A.我们的报刊、杂志和一切出版物,更有责任做出表率,增强使用语言文字的规范意识。

B.美国政府表示仍然支持强势美元,但这到底只是嘴上说说还是要采取果断措施,经济学家对此的看法是否定的。

C.书店里十分安静,因为这是“新书推介会”的最后一天,顾客寥寥。

D.由于我认识水平不高和文字表现力差的限制,出现错误是难免的。

题型:单项选择题

阅读理解

     I am trying to muster (鼓起) the courage to toss_away my mobile phone to enjoy a more peaceful

and ringfree life.

     Can you imagine not having your mobile phone? In our hightech,  inahurry age,  a cellfree life is a hard

concept to swallow.Our mobile phones can now access the Internet,  and many people feel the need to

express their every thought on their blog pages.If I gave up my cellphone,  people would think I was mad.

     I wish I had the strength to toss away my technology.I have an office phone,  a home phone,  an email

and if people want to contact me,  they can.If I'm out,  people can leave a message.Do they really need

to find me 24/7?However,  I'm a bit like Frodo in the movie Lord of the Rings.The power of the ring is

too strong and I can't let it go.

     Mobile phones have become necessary tools in our busy life.For most people,  they hold all contacts

and many of us don't write up address books any more.The latest phones carry our music,  pictures, 

 movies and everything else.We feel lost without this device and when we do misplace it,  we feel cut off

from our fellow.

     "Where have you been?" said a friend,  who saw me a week after I lost my cellphone,  "I tried calling

you,  but you disappeared.You disappeared off the face of the Earth." See,  when you don't have a

mobile phone,  you don't exist.

     I'm not really going to toss my mobile phone away,  in fact.We humans are such social animals and

mobile phones serve us well.So in 2009,  I've decided not to serve my mobile phone.Like all machines, 

 I can always turn it off.

1. What does the underlined phrase "toss away" mean?

A. give away  

B. get away

C. break away  

D. throw away

2. The writer mentions Frodo to________.

A. show it is difficult to get rid of the mobile phone

B. show how much he likes Frodo

C. suggest a cellfree life is what he wants

D. introduce a film character to us

3. What do we know about mobile phones in the 4th paragraph?

A. Mobile phones can do anything for us.

B. Mobile phones have become very important in our life.

C. We could not live without mobile phones.

D. We would be cut off by our fellow without mobile phones.

4. What can be inferred from the last paragraph?

A. The writer is not really going to toss his mobile phone away.

B. When you don't have a mobile phone,  you don't exist.

C. The writer decides not to serve his mobile phone.

D. We humans can control ourselves and machines.

题型:单项选择题

铁水浇注过程中应注意哪些事项?

题型:单项选择题

对于孤立井点,()是最经济的采油方式。

A、电泵采油

B、抽油机采油

C、捞油

D、螺杆泵采油

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