高速公路上发生碰撞护栏事故的主要原因有（）等。A、轮胎爆裂 B、紧急制动 C、急

对入境货运汽车，根据申报实施卫生检查或必要的卫生处理，检疫完毕后签发《运输工具检疫证书》。（）

下列各项中，关于《大卫·科波菲尔》的表述，不正确的一项是（  ）

A．大卫出生以后，就和母亲及女仆佩葛蒂一起生活。她们把全部的爱都倾注到了大卫的身上，他们的日子过得平静而愉快。

B．佩葛蒂先生自己没有结婚，却收养了一对孤儿：外甥女艾米莉和侄儿海姆——他俩的父亲都是葬生大海的渔民。佩葛蒂先生和他们相亲相爱地过着日子。

C．狄更斯是一位有着艺术独创性的伟大天才，他塑造了许多人物，如淳朴善良的佩葛蒂，美丽真诚的阿格妮丝，阴险小人希普，债多不愁的维克菲。

D．学校是社会的缩影。学校里，对大卫很好的老师麦尔先生，因为贫穷而遭到富家子弟的凌辱，以及势利校长的解雇。

Randy Kraus was paralyzed. His left side was useless. But his right hand was (1) enough to lift a bucket to his forehead. Once, he’d been a police officer and owned a private-eye agency. Once, he’d been p and able. Now, he felt he was nothing.
His (2) started with Parkinson’s disease, but it didn’t (3) there. In July 2002, the 60 year old Kraus went into the hospital for an operation to control the shaking. (4) , during the operation, he had a stroke. He was paralyzed. The (5) man, who loved golf, could think, but couldn’t (6) . Kraus wanted the doctors to (7) it to him straight. "You may never walk again, " they told him. "Maybe you won’t (8) be able to talk. "
Once at home, he (9) he couldn’t lift a fork or take a drink by himself. Physical treatment was so painful and slow. What did he have to (10) for So now Kraus held the gun against his head. (11) the cold metal on his skin, he began to consider not his pain, but the pain he (12) cause his wife, daughters and grandchildren. He didn’t pull the trigger.
"You are where you are", his exercise physiologist, Andrew Garud told him. "The pace would be slow; the pain would be (13) . But as long as you are (14) , you have the ability to get better. " After three months of (15) with Garud, Kraus wanted to see if he could (16) . He could. Then he took three steps, sat down and cried like a baby. One step (17) to another. Next he managed a short walk. It was the hardest (18) of Kraus’s life.
Garud kept saying he could (19) more. Now, Kraus can brush his teeth, shave himself and get around the house with a walker. Little success only the paralyzed can (20) understand.

A．talk
B．hear
C．move
D．operate

属双子叶植物的科是（）

A.棕榈科

B.百合科

C.桃金娘科

D.禾本科

下图为某种病的遗传图解，请写出你分析该遗传病遗传方式的思维方式：

进行分析的关键性个体是（）的表现型，可排除显性遗传。