问题
不定项选择
不定项选择 |
下列关于自然界中的四种基本相互作用力的描述,正确的是( ) |
A.一切物体之间都存在着相互作用的吸引力 B.强相互作用存在于宏观物体之间,而弱相互作用存在于原子核内部 C.电荷间的相互作用、磁体间的相互作用在本质上是同一种相互作用的不同表现 D.原子核内部的带正电的质子之间存在着斥力,但原子核仍能紧密地保持在一起,是由于万有引力作用的结果 |
答案
AC
不定项选择 |
下列关于自然界中的四种基本相互作用力的描述,正确的是( ) |
A.一切物体之间都存在着相互作用的吸引力 B.强相互作用存在于宏观物体之间,而弱相互作用存在于原子核内部 C.电荷间的相互作用、磁体间的相互作用在本质上是同一种相互作用的不同表现 D.原子核内部的带正电的质子之间存在着斥力,但原子核仍能紧密地保持在一起,是由于万有引力作用的结果 |
AC
完形填空 | ||||
It's no secret that many children would be healthier and happier with adoptive parents than with the parents that nature dealt them. That's especially_1_of children who remain in homes where they're badly treated__2_the law blindly favors biological parents. It's also true of children who__3_for years in foster (寄养) homes because of parents who can't or won't care for them but 4 to give up custody (监护) rights. Fourteenyearold Kimberly Mays 5 neither description, but her recent court victory could 6 help children who do. Kimberly has been the 7 of an angry custody battle between the man who raised her and her biological parents, with whom she has never lived. A Florida judge 8 that the teenager can remain with the only father she's ever known and that her biological parents have "no legal 9 "on her. Shortly after 10 in December 1978, Kimberly Mays and another baby were mistakenly switched and sent home with the 11 parents. Kimberly's biological parents, Ernest and Regina Twigg, received a child who died of a heart disease in 1988. Medical tests 12 that the child wasn't the Twiggs' own daughter, but Kimberly was, thus leading to a custody 13 with Robert Mays. In 1989, the two families 14 that Mr. Mays would maintain custody with the Twiggs getting 15 rights. Those rights were ended when Mr. Mays decided that Kimberly was being 16 . The decision to 17 Kimberly with Mr. Mays caused heated discussion. But the judge made it clear that Kimberly did have the right to sue (起诉) 18 her own behalf. Thus he made it clear that she was 19 just a personal possession of her parents. Biological parentage does not mean an absolute ownership that cancels(取消) all the 20 of children. | ||||
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