问题
选择题
下列必须加入氧化剂才能实现的是 （ ）
A．Fe3+Fe2+-
B．SO2SO42-
C．H2O2O2
D．SO2SO32-
答案
答案：B
搜题请搜索小程序“爱下问搜题”
下列必须加入氧化剂才能实现的是 （ ）
A．Fe3+Fe2+-
B．SO2SO42-
C．H2O2O2
D．SO2SO32-
答案：B
On my first visit to India with my husband, we met a really nice woman named Uma on the plane. Talking with her made the long flight much faster. When we arrived. we learned that our bags had not made the trip with our plane. As we were filling out the luggage forms, we couldn't help noticing the mountain of unclaimed baggage in a corner. Would we see our belongings again? This was not a good beginning of our 6-week trip. It was now 4 am Saturday morning. The officials had told us there was no in checking to see if our bags had arrived until Monday. What should we do next? we stood there wondering, Uma came over. Learning of our , she said. "Our driver will soon be here to me up. Come home with me." We entered the steamy early scene outside. Lots of people were waiting for their loved ones. calling their names and them into warm hugs as they reconnected. minutes, Uma said, "There's our car!" We piled into the small car, already with family members who had come to Uma home. At the house, Uma's family took us in we had known one another for a long time. They fed us delicious Indian meals, took us on of their city and brought us to their favorite temples. On morning. their driver brought us to the airport, where we were happy to find our bags, and sound. What a gift Uma's was! In my very first moments on Indian soil. I learned an unforgettable lesson about the warm, generous of the Indian people. Uma had begun achain reaction that we did our best to on wherever we went.
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