1编号：2703题型：单选题测试正确率：69.65%
当m为何值时，函数是一次函数？
2编号：2702题型：单选题测试正确率：63.36%
下列各曲线中不能表示y是x的函数是（ ）
3编号：2710题型：单选题测试正确率：0%
--- Do you take exercise every day? ----Yes. I always______ thirty minutes after supper.
4编号：2709题型：单选题测试正确率：0%
Mrs. Green is ________ her purse, but she can’t __________ it.
5编号：2708题型：单选题测试正确率：0%
We know that how life began is still a ____.
6编号：2707题型：单选题测试正确率：0%
I can’t go with you now. I have an important ____ to do.
7编号：2701题型：单选题测试正确率：0%
They all shouted in one ____, “Long live the People’s Republic of China!”
8编号：2700题型：单选题测试正确率：0%
___ of the students in the whole class could do this physics question.
9编号：2698题型：单选题测试正确率：0%
Our teacher gave us ___on studying.
10编号：2697题型：单选题测试正确率：0%
The teacher gave ___student a new book.
提醒:
是一次函数？