应用电视技术标准规定摄像机的视频输出应为：（）

A:1VP-P0、正极性、75Ω B:0.7VP-P0、正极性、75Ω C:0.7VP-P0、负极性、75Ω D:1VP-P0、负极性、75Ω

按照有关规定（）是避孕药具的适宜仓储条件。

A:温度0℃～35℃，湿度45%～75% B:温度0℃～30℃，湿度45%～75% C:温度0℃～20℃，湿度45%～75% D:温度0℃～30℃，湿度45%～85%

下列说法不正确的是（　　）

矩形ABCD的对角线AC、BD交于点O.，∠AOD=120°，AC=12cm，

;

，加一个条件______________，它就是菱形.

函数y=（－1≤x≤0）的反函数是

A:y=（－1≤x≤0） B:y=－（0≤x≤1） C:y=－（－1≤x≤0） D:y=（0≤x≤1）

When I was fifteen, I announced to my English class that I was going to write my own books. Half the students laughed at me, and the rest 36 fell out of their chairs laughing. “Don’t be silly. Only geniuses can become 37 ,” the English teacher said , “and you are getting aD.this semester.” I was so ashamed that I burst into 38 _.

That night I wrote a short 39 poem about broken dreams and mailed it to the Capri’s Weekly newspaper. To my astonishment, they 40 it and sent me two dollars. I was a published and 41 writer. I told my teacher and 42 students. They 43 me again. But I had tasted 44 . I’d sold the first thing I’d ever written.

During the next two years, I sold 45 poems, letters, and jokes. By the time I graduated from high school, I had a 46 filled with my published work. I never 47 my writing to my teachers or my friends again. They were dream 48 and if people must choose between their friends and their dreams, they must always choose their dreams.

Several years later, I found myself married 49 four children, the oldest being only four. While the children slept, I typed on my ancient typewriter. I wrote 50 I felt. I chose a publisher and mailed my writing. The letter I enclosed read, “I wrote this book myself, and I hope you like it. Chapter six and twelve are my 51 . Thank you.”

A month later, I received a(n) 52 to start working on another book. Crying Wind, the _53 of my book, was translated into fifteen languages and sold worldwidE. My first book also became 54 reading in native American schools in CanadA. People ask what college I attended, what degrees I have and what qualifications I have to be a writer. The answer is: “NonE.” I just _55 .

BADAC   CDABD    CABDB   CDBAC

You can never imagine how big and complex the inner world of a three-year-old child is，even as a mom.Yesterday afternoon I went to ( 41 ) Nicole from her daycare center.On the way home，she looked ( 42 ) in the beginning，telling me about the daytime activities，while later when ( 43 ) and quiet came back to her，she looked tired.
After we ( 44 ) the bus，there was still another 15minutes of climbing up along a hill to our ( 45 ) .She asked me where her daddy was.I told her that daddy was still working.She ( 46 ) the fact and sighed with” Okay…"，somewhat ( 47 ) .
On the way back，she was not as cooperative as usual.Sometimes she ( 48 ) to walk，but to stand in the middle of the road.Sometimes she stepped ( 49 ) to the grassland and tried to kick off the snow ( 50 ) the bare grass could be seen.And she kept ( 51 ) all the way.Finally we arrived.All of a sudden she ( 52 ) tears and lost her temper outside the door."Why are you crying so sadly？Tired？"The last sentence caused an even louder ( 53 ) ，"Mommy can't carry me! Mommy ( 54 ) !Daddy carry me! Daddy…!"
My tears came out when I heard the words.Such a sweet and ( 55 ) girl she is.One month ago I had a bad movement when carrying her up and twisted my waist.I remembered that I couldn't move at all when the ( 56 ) happened and this certainly scared her.After that I ( 57 ) long-term lower back pain till now and couldn't carry her.It is ( 58 ) that she knows everything.
No ( 59 ) she asked me where her daddy was.That was why she kept silent all the way long but ( 60 ) lost control when arriving at home.Dear parents，do you still think that our children know nothing or few about our world？

ABCDB  CBADC  ADACD  ABDCB

在以下力学实验装置中，三个实验共同用到的物理思想方法是

A.极限的思想方法B.放大的思想方法

C.控制变量的方法D.类比的思想方法