如图，点A为反比例函数y=﹣ $\frac{4}{x}$ 图象上一点，过A作AB⊥x轴于点B，连接OA，则△ABO的面积为____．

Jessica Wong from Hong Kong is good at using old jeans _______ handbags.

实验室需配制一种仅含四种离子(不包括不电离出的离子)的无色混合溶液，且在混合溶液中四种离子的物质的量浓度均为1mol/L.下面四个选项能达到此目的的是

Our English teacher often tells us that success needs a lot of _______.

A)信息归纳    An important event that I remember well was the Indian Ocean earthquake and tsunami（海啸） that happened on December 26^th, 2004.The earthquake happened under the sea and caused a tsunami that killed many people and destroyed many places in different countries.
    When I heard the news of the earthquake and tsunami, I was hanging out at my classmate's house with my friends. My friends were eating snacks and playing computer games.
    I remember this event well because my mother was in Phuket（普吉岛）, Thailand at the time for her job,and Phuket was one of the places affected by the Tsunami.I was so worried and afraid that I cried. I went home immediately and waited for hours with my friend before we received the news that my mother was alive and safe.
Information Card

What was the event（事件）？	⑴____
When did the event happen?	⑵____
Where was the writer's mother when the event happen?	⑶____
What was the writer doing when the event happened?	⑷____
Why was the writer's mother in Thailand?	⑸____