7.一次函数y=x+1的图象是( )
0 284794 284802 284808 284812 284818 284820 284824 284830 284832 284838 284844 284848 284850 284854 284860 284862 284868 284872 284874 284878 284880 284884 284886 284888 284889 284890 284892 284893 284894 284896 284898 284902 284904 284908 284910 284914 284920 284922 284928 284932 284934 284938 284944 284950 284952 284958 284962 284964 284970 284974 284980 284988 366461
| A. | 线段 | B. | 抛物线 | C. | 直线 | D. | 双曲线 |