问题
选择题
下列装置中四块相同的Zn片，放置一段时间后腐蚀速率由慢到快的顺序是
A．(1)(3)(2)(4)
B．(4)(2)(1)(3)
C．(3)(2)(1)(4)
D．(4)(1)(2)(3)
答案
答案：B
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下列装置中四块相同的Zn片，放置一段时间后腐蚀速率由慢到快的顺序是
A．(1)(3)(2)(4)
B．(4)(2)(1)(3)
C．(3)(2)(1)(4)
D．(4)(1)(2)(3)
答案：B
The family had just moved. The young woman was feeling a little __1__. It was Mother’s Day – and 800 miles separated her from her parents. She had called them that morning, and her mother had __2__ how colorful their backyard was __3__ spring had arrived. Later, she told her husband how she __4__ those lilacs (丁香花) in her parents’ yard. “I know where we can find some,” he said. “Get the __5__ and come on.” So off they went. Some time later, they stopped at a hill and there were lilacs all round. The young woman rushed up to the nearest __6__ and buried her face in the flowers. Carefully, she __7__ some. Finally, they returned to their car for the __8__ home. The woman sat smiling, surrounded by her __9__. When they were near home, she shouted “Stop,” got out quickly and __10__ to a nearby nursing home. She went to the end of the porch (门廊), where a(n) __11__ patient was sitting in her wheelchair, and put the flowers into her lap. The two __12__, bursting into laughter now and then. Later the young woman turned and ran back to her __13__. As the car pulled away, the woman in the wheelchair __14__ with a smile, and held the lilacs __15__. “Mom,” the kids asked, “__16__ did you give her our flowers?”“It is Mother’s Day, and she seems so __17__while I have all of you. And anyone would be __18__ by flowers.” This satisfied the kids, but not the husband. The next day he __19__ some young lilacs around their yard. I was the husband. Now, every May, our yard is full of lilacs. Every Mother’s Day our kids __20__ purple lilacs. And every year I remember that smile of the lonely old woman. And that has become a lasting touching memory of my life.
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