笼中共有鸡、兔50只，共有120只脚。笼中有鸡（ ）只，兔（ ）只。
40；10
根据地图，回答下列问题。
1. Where is the hospital?
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2. How many traffic lights can you see?
3. Is there a river near the school?
4. How can I get to the library from school?
5. Is the museum east of the shopping mall?
左顶叶脑梗死病人，可能出现哪种视野缺损（）
A.双眼颞侧偏盲
B.单眼全盲
C.一侧同向偏盲
D.一侧上象限盲
E.一侧下象限盲
