请写出一个图象经过点(1,1)的一次函数的表达式:______.
设这个一次函数解析式为:y=kx-1,
把(1,1)代入得k=2,
∴这个一次函数解析式为:y=2x-1(不唯一).
用所给单词的适当形式填空。
1. We don't live in the city. We are only ______ (visit).
2. They______ (have) a great time at yesterday's party.
3. My father______ (watch) CCTV news at 7:00 pm every day,
but yesterday he ______ (be) ill and he ______ (not watch) it.
4. ______ (fortunate), he was hurt badly.
5. —When ______ you ______ that movie?
—I______ it two days ago. (see)
多发性硬化最常见的临床分型是()
A.复发-缓解型
B.进展复发型
C.继发进展型
D.原发进展型
E.良性型