曲线y=ex+x在x=1处的切线方程是 [ ]
A．y=x
B．y=（e+1）x
C．y=x+1
D．y=（e+1）x+1
答案：B
根据句意，填写恰当的短语介词完成句子。
1. Look! There are some birds_____the sky.
2. I bought this coat at a shop_____our neighborhood.
3. A terrible accident happened_____him last night.
4. Lisa didn’t come to school this morning_____illness.
5. —Are you busy?
—Yes. I am swimming_____an ocean of paper.
若有以下说明和语句： int c[4][5],(*p)[5]； p=C； 能够正确引用c数组元素的是 ______。
A．p+1
B．*(p+1)
C．*(p+1)+3
D．*(p[0]+2)
