问题
单项选择题
胫骨中下1/3交界处易骨折，其主要原因是（）
A.胫骨形状有棱角
B.负重量较大
C.位于皮下软组织少
D.易受直接或间接暴力
E.骨的形态转变移行处
答案
参考答案：E
解析：胫骨是下肢承重的重要骨骼，胫骨干横切面呈三棱形，在中、下1/3交界处，变成四边形。在三棱形和四边形交界处是骨折的好发部位。
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胫骨中下1/3交界处易骨折，其主要原因是（）
A.胫骨形状有棱角
B.负重量较大
C.位于皮下软组织少
D.易受直接或间接暴力
E.骨的形态转变移行处
参考答案：E
解析：胫骨是下肢承重的重要骨骼，胫骨干横切面呈三棱形，在中、下1/3交界处，变成四边形。在三棱形和四边形交界处是骨折的好发部位。
| 阅读短文，选择正确答案。 | |
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| 1．What can't children learn in Little Rabbit? | |
[ ] | |
| A．Art. B．Music. C．Computer. D．Languages. | |
| 2．Mrs. Green can send her daughter Lucy to Little Rabbit except _______. | |
[ ] | |
| A．6:00 p.m. on Friday B．7:00 a.m. on Wednesday C．11:00 a.m. on Tuesday D．12:00 a.m. on Monday | |
| 3．Little Rabbit will be open for ________ in a week. | |
[ ] | |
| A．4 hours B．8 hours C．20 hours D．40 hours | |
| 4．Who can have fun and learn in Little Rabbit? | |
[ ] | |
| A．Mike, a school boy of 13. B．Mary, an eight-year-old girl. C．Cathy, an experienced teacher. D．Linda, a housewife without work. | |
| 5．Where's Little Rabbit? | |
[ ] | |
| A．It's on Second Street. B．It's on First Street. C．It's on Market Road. D．It's in the Flower Market. |