t was almost 9:00 pm when Mia Janson left her office to go home.It was 1 .She started her car and 2
题目
t was almost 9:00 pm when Mia Janson left her office to go home.It was 1 .She started her car and 2 down the dark road that led to her house in the country.
She 3 the radio and listened to songs while she was driving.The heater wasn’t working,and singing helped to keep her 4 .
The snow was heavy.Then Mia went across a small 5 .The bridge was covered with ice and the car went out of control.Mia hit her head on the steering wheel and lost consciousness(知觉).
When she woke up,her head was bleeding (流血),and she was shaking from the cold.She didn’t know 6 she was.Mia opened the car door and looked around.She was under the bridge,and her car was sitting on the frozen river!She felt very sad.She 7 the ice wouldn’t hold her car for very long.She tried to walk up several times,but she kept falling into the snow.Mia tried 8 time.She fell again,but this time she couldn’t get up.She knew that ____9 could see her car under the bridge.She was lying in the snow,and she couldn’t move.Mia cl
答案
C
B
A
D
A
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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