“Who needs a shopping mall if you have Taobao?” says Sarah, 28, a writer in Beijing.
Taobao, China’s largest online shopping site, has become an important part in Sarah’s life. She spends lots of money on Taobao.
A growing number of Chinese Internet users like Sarah have found the joys of online shopping. Most online shoppers are students or young workers. More women shop online than men. Clothing and home-use products bought online are the most popular.
It was reported that more than 300 billion yuan was spent on online shopping last year. 80% through Taobao.
Taobao means “looking for treasure” in Chinese. People can find almost everything they need on Taobao, from clothes to books, from candies to DVD players.
You many question the securitv of online shopping. Sarah said, “It’s safe, fast and easy. Unless you receive the products from the sellers and are satisfied with them, the shop owners will not get the money. You can also get your money back if you want to return the products.”

To his parents' d____ (高兴), he has made a full recovery after the accident.

当1＜a＜2时，代数式$\sqrt{{\left(a-2\right)}^2}$+|1﹣a|的值是（　　）

在实数的原有运算法则中，我们补充定义新运算“$\oplus$”如下：当$a\ge b$时，$a\oplus b=a$；当a<b时，$a\oplus b=b^2$。则函数$f\left(x\right)=\left(1\oplus x\right)·x-\left(2\oplus x\right)\ln x\left(x\in (0,2\right)$有（    ）（“·”和“－”仍为通常的乘法和减法）

下列厨房中常见的物质，加入水中不能形成溶液的是：①食盐  ②花生油  ③奶粉  ④纯碱   ⑤白酒（　　）