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)