骨盆入口呈卵圆形,入口前后径较横径长,骶坐切迹较宽,坐骨棘较突出,耻骨弓较窄
A.圆韧带B.阔韧带C.主韧带D.宫骶韧带E.骨盆漏斗韧带
参考答案:A
七、短文填词。根据短文大意,填入恰当的单词。(20分,每空2分)
Many useful machines were __77__ by inventors. These machines have __78__
the world a lot. There are many great inventors in the world, and Watt was one of them.
Watt was English. When he was a child, he liked to ask questions and he was always __79__hard. One day, he was sitting in the kitchen with his grandmother, he __80__ a kettle(水壶) on the stove(火炉). Soon steam(蒸汽) began to come __81__ the kettle and the lid(盖子) was shaking. Watt asked what was in the kettle. His grandmother said, “Water, my child.”“But I know there’s __82_ in it. It pushes the lid up.” said Watt. His grandmother told him that it was only steam. He asked his grandmother,“__83__ does the steam come up under the lid?”His grandmother said that it came from hot water. Watt said to __84__ ,“The steam will be much strong. It can push things. The steam will be much __85__ if there’s more water.”Later, Watt tried hard and made steam __86__ for people. He invented the first engine.
77、 78、 79、 80、 81、
82、 83、 84、 85、 86、
荀子说:“不闻不若闻之,闻之不若见之,见之不若知之,知之不若行之。学至于行而止矣。明之,行也。”材料中的“行”体现了( )
A.对事情要有耳闻
B.对事情要亲眼见之
C.要认识事物的本质和规律
D.要亲身实践