问题
单项选择题
急性血源性骨髓炎和骨肉瘤的好发部位是
A．胫骨和肱骨
B．桡骨和股骨
C．股骨和髂骨
D．脊柱和胫骨
E．股骨和胫骨
答案
参考答案：E
解析：急性血源性骨髓炎好发于儿童长骨干骺端，骨肉瘤好发于股骨远端、胫骨近端和肱骨近端的干骺端。
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急性血源性骨髓炎和骨肉瘤的好发部位是
A．胫骨和肱骨
B．桡骨和股骨
C．股骨和髂骨
D．脊柱和胫骨
E．股骨和胫骨
参考答案：E
解析：急性血源性骨髓炎好发于儿童长骨干骺端，骨肉瘤好发于股骨远端、胫骨近端和肱骨近端的干骺端。
| 选择方框中适当的句子完成对话。(Ling ling要去英国学习，她向她的网友Mary了解英国的有关礼仪。) | |
Ling ling: I'm going to England as an exchange student. Mary: Great! Ling ling: But I don't know much of the customs and manners in England. _____1____ . Mary: Sure. Ling ling: _____2____ . Mary: Well, they think it's important to be on time when you're invited to dinner. _____3____ . As it is usually planned to have the meal at the exact hour given in the invitation. Ling ling: Then how long may I stay there? Mary: _____4____, let you seem to have come only for the meal. An evening dinner invitation usually implies that _____5____ . The hostess often plans some after-dinner entertainment.
1. _________ 2. __________ 3. __________ 4. __________ 5. __________ |