与二进制数(11011010)B相对应的十进制数为()A、106 B、282 C、6

题型:单项选择题

问题:

与二进制数(11011010)B相对应的十进制数为()

A、106

B、282

C、640

考点:维修电工考试维修电工考试题库
题型:单项选择题
阅读短文,从下列所给的五个句子中,选择四句还原到短文中,使短文意思通顺、结构
完整。
       Flena Desserich was a beautiful girl.   1  She had dreamed of becoming an artist when she grew up,
but sadly ,she never had the chance to he an adult. WhenElena was only five years old,the doctor said that she had brain cancer and only had 135 days to live.
       Elena spent the long days in the hospital working on her paintings,which were full of hearts and smiling families. One of her paintings was shown in a gallery; right next to a Picasso's painting.   2  And then she
began to"talk"with her family by writing notes.
         3   Her parents were very sad,even though they knew the day would come.  When they were tidying up her things,they began to find notes. All through her final days, Elena had been writing love notes to her
family and hiding them in secret places throughout the house.
       Her parents started cocollect them and all the noteswould say,"I love you,Mum,Dad and Grace. "  4  ."
A. She loved painting and writing.
B. Elena died in 2007.
C. A month later,she lost the use of her voice.
D. Her parents loved her so much.
E. They kept finding them-the amazing gifts from Elena.
题型:单项选择题

我国松嫩平原种植甜菜,而珠江三角洲种植甘蔗,造成这种差异的主要原因是(  )

A.地形因素

B.气候因素

C.市场因素

D.政策因素

题型:单项选择题

有关卵巢的结构,正确的是

A.是一对粉红色,球形器官

B.位于阔韧带前方

C.成人卵巢大小约7cm×5cm×3cm

D.青春期开始从卵巢表面排卵

E.绝经后体积变小、变软

题型:单项选择题

一、二级干涉色相比,二级干涉色的特点是有()色,而无()色。

题型:单项选择题

下列选项中,()不属于晶体管放大器的主要技术指标。

A、增益

B、电源电压

C、输入、输出电阻

D、频率特性

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