重物荷载可直接堆放在结构表面形成均布荷载或置于荷载盘上通过吊杆挂于结构上形成集中荷载( )

未分类题以下哪些是足月新生儿表现出来的生存反射。()

未分类题The author would most likely agree with the assertion that______.A．American businesses are superior to their foreign counterparts in all aspects due to their competitive natureB．in the future, American businesses will have to change and adapt in order to meet the new competition presented by foreign companies emulating their waysC．with its free-market nature, American businesses could easily compete against its foreign counterpartsD．the free-market economic system is superior to all other market systems currently known

未分类题In paragraph 3, the author argues against historical revision with the assertion that______.A．revision of World War II events has proven that such actions have a negative impactB．such revision results in an undeserved sense of national prideC．revising history has far-reaching effects beyond the borders of any one countryD．history is one of the primary concerns dealt with in the education system, and should thus be pure

判断题成品、半成品、构配件，在使用前应按规定抽取试样，交检测机构进行复试，复试结果合格方可使用。( )

未分类题In order for the RU-486 pill to be approved for use in such nations as the United States, it is necessary that______.A．the drug be proven absolutely safe for human useB．a consensus be reached in the nation regarding the proper usage of such drugs in a moral senseC．influential opposition groups accept it, opening the way for political feasibilityD．the question of when life begins be satisfactorily resolved and the current health concerns related to the pill clarified