我们平常的数都是十进制数，如2639=2×10³+6×10²+3×10+9，表示十进制的数要用10个数的数码（又叫数字）：0，1，2，3，4，5，6，7，8，9，在电子计算机中用的是二进制，只要两个数码0和1，如二进制中101=1×2²+0×2¹+1等于十进制的数5，；又如二进制数10111=1×2⁴+0×2³+1×2²+1×2+1，故二进制的10111等于十进制的数23，那么二进制中的1101等于十进制的数____．

已知：I₂+2S₂O₃^2﹣═S₄O₆^2﹣+2I^﹣

相关物质的溶度积常数见下表：

物质	Cu（OH）2	Fe（OH）3	CuCl	CuI
Ksp	2.2×10﹣20	2.6×10﹣39	1.7×10﹣7	1.3×10﹣12

电冰箱是生活中常用的家用电器，下列说法正确的是（    ）

读下面短文，按照句子的语法情况和上下文连贯的要求，在空白处填入适当的词或用括号中所给词的正确形式填空。每空不超过两词。

    Florence Nightingale was a nurse who saved many people in the 19^th cenury. She was named after the city of Florence in Italy.

    Florence was ____ unusual young woman for her time, bemuse she didn't want to go to parties and get married. She wanted to be a nurse and help people. Her family ____ (not)want her to become a nurse because hospitals back then were dirty, horrible places.

    ____ the age of thirty-one, Florence went to Germany and learned all about nursing. It was hard work, ____ she loved it.

    In 1854, lots of British soldiers went to fight in the Crimean War. Army hospitals were filled with injured people, but there ____ (be)no nurses and many soldiers died. Florence and a team of nurses went to help.

    Florence worked 20 hours a day to make the hospital ____(clean)and safer place. She brought fresh food, she cleaned the beds and she used clean bandages on the wounded soldiers fewer ____ (man) were dying.

    At night, Florence talked to the injured soldiers and helped them ____(write) letters to their families. They called her "the lady with the lamp", ____ she always carried a lamp.

    When Florence returned to England, people called her a hero. Queen Victoria wrote her a letter to say thanks, She ____ (give)the honor(荣誉)----Order of Merit, becoming the first woman to receive it

已知向量 $\overrightarrow{a}$ =（cos $\frac{3}{2}$ x，sin $\frac{3}{2}$ x）， $\overrightarrow{b}$ =（cos $\frac{x}{2}$ ，﹣sin $\frac{x}{2}$ ），且x∈﹣ $\frac{\pi }{3}$ ， $\frac{\pi }{4}$