1编号：4869题型：单选题测试正确率：55.64%
有一个四位整数，在它的某位数字前面加上一个小数点，再与这个四位数相加，得数是2000．81．求这个四位数是（）
2编号：4868题型：单选题测试正确率：49.62%
不同符号代表不同数字，那么△+☆+※=（）
3编号：4867题型：单选题测试正确率：41.53%
“度”代表的数是（）
4编号：4866题型：单选题测试正确率：67.36%
ABC表示的三位数是（）．
5编号：4597题型：单选题测试正确率：65.23%
—What’s your favorite food？—I like .They are very tasty.
6编号：4609题型：单选题测试正确率：69.51%
Listen! A boy in the next room.
7编号：4608题型：单选题测试正确率：58.54%
Sarah is a good girl. She often old people.
8编号：4607题型：单选题测试正确率：52.95%
Monday is the first day of a week and is the day.
9编号：4606题型：单选题测试正确率：31.62%
There are two teachers in our school.
10编号：4605题型：单选题测试正确率：47.83%
There are students in our class.
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