望岳
杜甫
岱宗夫如何？齐鲁青未了。造化钟神秀，阴阳割昏晓。
荡胸生曾云，决眦入归鸟。会当凌绝顶，一览众山小。
按照题目要求作图：
已知抛物线y=x2+3x+c经过三点2,y1,-3,y2，-1,y3则y1,y2,y3的大小关系为（ ）
B
阅读下面的图表，做51～53小题。
Dolphins live in the water, but they’re not fish.
When they swim, they often jump out of the water.
Dolphins are very friendly to people. Would you like
to learn to the talk on Friday? Call Mr. Lu at
010-82214824.
A Talk on Dolphins (海豚)