题目内容
（请给出正确答案）
A.试验次数不同、因素不同、水平不同
B.试验次数不同、因素不同、水平相同
C.试验次数不同、因素相同、水平不同
D.试验次数相同、因素相同、水平不同
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更多“采用L4（23）、L8（27）和L16（215）三种正交表进行试验时，下列阐述哪一个正确（）？”相关的问题
A.L9(34)
B.L27(313)
C.L8(27)
D.L16(215)
听力原文： Earthquakes often happen near volcanoes, but this is not always true. The centers of some are【L1】______. The bottom of the sea suddenly【L2】______. The powerful forces inside the【L3】______break the rocks. The coast is shaken and great waves appear. These waves travel【L4】______and rush over the land when they reach it. They are strong enough to【L5】______houses and other buildings; sometimes they break【L6】______than the earthquake itself. Very often fires followed the【L7】______earthquakes. In 1906, the great earthquake at San Francisco broke the gas-pipes. The gas【L8】______, and soon large numbers of fires were burning in the city. The water-pipes were also【L9】______; so it was not possible to put the fires out. There was【L10】______. The Tokyo earthquake of【L11】______happened just before the middle of the day. People were【L12】______on their fires at that time. When the ground shook, the fires shook too.【L13】______were thrown on the different parts of the houses, some of which were【L14】______. Soon 134 fires were burning in the city. What kind of building【L15】______in an earthquake？ A building with concrete walls is perhaps the best. A【L16】______will make it even stronger. The frame. holds the【L17】______together, and the walls do not easily fall. There is【L18】______of fire because concrete and steel do not burn. The Americans【L19】______the results of the earthquake in San Francisco, and they are convinced that this kind of building is the【L20】______.
The centers of some are【L1】______.
听力原文： I am honored to be here today,【L1】______Harvard at this celebration of the College Boards half century of working to promote【L2】______and equal opportunity in higher education. Before I say anything else, I want to thank everyone in the room for the work you do every day to make college【L3】______, available, and【L4】______for millions of young people across the country. I want to focus my remarks on a matter of【L5】______to American familiesand to the future of the nation -- restoring education to its proper role as a【L6】______to equal opportunity and【L7】______in our society. This has been an【L8】______in higher education, with great and creative efforts made by many institutions. Earlier this year, we announced a new【L9】______at Harvard aimed at the students from families of low and【L10】______income. Under our new program, families with incomes of【L11】______will no longer be expected to contribute to the cost of attending Harvard for their children. Families with incomes of less than $ 60,000 will also see their【L12】______reduced. We are proud of this effort at Harvard, but we are aware that the programs of individual institutions with means can never be a substitute for our shared【L13】______to provide adequate funding for Pell grants and other financial aid, and for the state and community college systems that make higher education【L14】______and affordable for the【L15】______. There is something empty about【L16】______initiatives that may be right for one institution without attention to their broader impact.【L17】______, we【L18】______if we urge changes in national policy without doing what we can on our own campuses. In this spirit, I want to【L19】______today a problem that is emerging with【L20】______in this nation.
【L1】______Harvard at this celebration of the College Boards
A.326万吨
B.362万吨
C.368万吨
D.378万吨
依据《中华人民共和国行政处罚法》，对当事人不予处罚的情形是
A.已满l4周岁不满l8周岁的人有违法行为的
B.违法行为在1年内未被发现的
C.主动消除或者减轻违法行为危害后果的
D.配合行政机关查处违法行为有立功表现的
E.违法行为轻微并及时纠正，没有造成危害后果的
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