首先鉴别囊痈和疝的古籍是：-我要搜题网

[判断题]《铁路旅客运输规程》（铁运〔1997〕101号）规定，旅客要求改签时，在车站售票预售期内，车站应予办理，收回原车票，换发新车票，并在新车票票面注明"始发改签"字样。
A.正确
B.错误

[单选题]呼吸阀的作用，下列叙述不正确的是(　　)。
A.避免贮罐超压
B.避免贮罐负压
C.避免贮罐变形
D.避免物料外泄

[不定项选择题]共用题干 Voice Your Opinion一Change is Needed in Youth Sports

Everywhere you look,you see kids bouncing。basketball or waving a tennis racquet（网球拍）.And
these kids are getting younger and younger. In some countries,children can compete on basketball,base-
ball,and volleyball teams starting at age nine._____________ (46)And swimming and gynmastics classes begin
at age four, to prepare children for competition.
It's true that a few of these kids will develop into highly skilled athletes and may even become members
of the national Olympic teams._____________ (47)This emphasis on competition in sports is having serious
negative effects.
Children who get involved in competitive sports at a young age often grow tired of their sport. Many
parents pressure their kids to choose one sport and devote all their time to it._____________ (48)But 66 per-
cent of the young athletes wanted to play more than one sport一for fun.
Another problem is the pressure imposed by over-competitive parents and coaches. Children are not
naturally competitive. In fact,a recent study by Paulo David found that most children don' t even understand
the idea of competition until they are seven years old._____________ (49)
The third,and biggest,problem for young athletes is the lack of time to do their homework,have fun,
be with friends一in short,time to be kids. When they are forced to spend every afternoon at sports practice,
they often start to hate their chosen sport. A research found that 70 percent of kids who take part in competi-
tive spoils before the age of twelve quit before they turn eighteen._____________(50) Excessive competitive
sports take away all the enjoyment.
Need to remember the purpose of youth sportsweto give kids a chance to have developing, strong,
healthy bodies. __________(47)
A.But what about the others,the average kids?
B.The youth soccer organization has teams for children as young as five.
C.A survey found that 79 percent of parents of young athletes wanted their children to concentrate on one sport.
D.Very young kids don't know why their parents are pushing them so hard.
E.Sports for children have two important purposes.
F.Many of them completely lose interest in sports.

[单项选择]首先鉴别囊痈和疝的古籍是：A. 《外科精义》B. 《外科正宗》C. 《外科大成》D. 《疡科准绳》E. 《外科理例》

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[单项选择]首先鉴别囊痈和疝的古籍是：
A. 《外科精义》
B. 《外科正宗》
C. 《外科大成》
D. 《疡科准绳》
E. 《外科理例》