问题
单项选择题
下列哪项不符合脐膨出
A．先天性腹壁发育不全
B．在脐带周围发生皮肤缺损
C．脐膨出多数无完整的囊膜
D．脐膨出多伴发其他畸形
E．脐膨出囊壁上有脐带残株
答案
参考答案：C
解析：[解题思路] 脐膨出是较少见的先天性发育不全，在脐带周围发生皮肤缺损致使腹膜及内脏一起膨出体外，多数有完整囊膜，囊壁上有脐带残株。
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下列哪项不符合脐膨出
A．先天性腹壁发育不全
B．在脐带周围发生皮肤缺损
C．脐膨出多数无完整的囊膜
D．脐膨出多伴发其他畸形
E．脐膨出囊壁上有脐带残株
参考答案：C
解析：[解题思路] 脐膨出是较少见的先天性发育不全，在脐带周围发生皮肤缺损致使腹膜及内脏一起膨出体外，多数有完整囊膜，囊壁上有脐带残株。
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| Traffic rules help to keep order on the road. They also help to keep people 1 . The pedestrian (行人) has as many rules to 2 as the driver of a car. You should wall on the sidewalk (人行道) or at the side of the road. Always look 3 before you wall across the street. If you like riding a bike, don't ride in the middle of the road or run 4 red traffic lights. When you ride a bike with a friend, don't look around or tall. Ifyou drive a car, you should 5 at the traffic lights. You must always 6 a seat belt (安全带). Without belts 7 the driver and the passengers may be badly hurt in a sudden accident. You may not need to take a bus, but 8 if you have to travel in one. Get on or get off a bus only when it comes to a 9 . When it is full, don't try to get inside 10 you may fall off. Traffic rules are also called Road Safety rules. | |||
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