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下列事件之间具有必要条件条件关系有（ ）
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下列判断中是正确的必要条件假言判断的是（ ）
攻打伊拉克的理由：据说，英美联合出兵攻打伊拉克的报告曾有个微小的改动。正是这一改动，让英美出兵的理由变得更加充分。这个改动是这样的。英国联合情报委员会在原来的关于伊拉克武器的报告中说，“萨达姆只有在伊拉克遭受攻击时才有可能启用生化武器”。正式报告改成了“萨达姆认为，如果他的政权遭受攻击时，他就将启用生化武器”。请问为什么要修改？
a. accustomedb. contributec. appeald. indicatee.committed f. characteristicg. depressingh. undermine i. assessing j. resolved1). Only when you leave something undone can you be __________ to doing something else.2). The best way of __________ one’s ability，in his opinion, is not through what one said but through what one did.3). It is hard to measure the potential of those ___________ to abide whatever pressure life brings on them.4). Among the factors that __________ to his fruitless college life is theabsence of a good compass in the ocean of learning.5). It's really _____________to know that he failed in the exam he wasdetermined to pass.6). His readiness to embrace new challenges __________ his unshaken confidence in himself.7). What ____________ our peace of mind a lot comes from temptation around.8). It is hard to resist the impression that he has _____________ himself to the campus life in such a short time.9). What ___________ to you today may turn out to be what you will be sick of tomorrow.10). It is most _____________ of her life that she knows what to hold fast and how to make it.
光垂直入射杨氏双缝时干涉条纹特征是：从中央明纹为对称中心的一系列等间距、等宽度，平行于缝的直条纹
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