| Space is a dangerous place, not only because of
meteors (流星) but also because of rays from the sun and other stars. The
atmosphere again acts {{U}} (62) {{/U}} our protective blanket on
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{{U}} (64) {{/U}} plants to make the food which we {{U}} (65)
{{/U}} . Heat, {{U}} (66) {{/U}}, makes our environments tolerable
and some ultraviolet rays (紫外线) penetrate the {{U}} (67) {{/U}}. Cosmic
(宇宙的) rays of various kinds come {{U}} (68) {{/U}} the air from outer
space, but {{U}} (69) {{/U}} quantities of radiation from the sun are
screened off. As {{U}} (70) {{/U}} as men leave the atmosphere they are
{{U}} (71) {{/U}} to this radiation; {{U}} (72) {{/U}} their
spacesuits or the walls of their spacecraft, if they are inside, {{U}} (73)
{{/U}} prevent a lot of radiation damage. Rad A. shifts B. modifies C. converts D. varies [判断题]各级财政机关要正确执行国家财政管理体制规定的预算收入划分办法和分解留成比例。对于擅自变更上级财政机关规定的分成留解比例的，国库有权拒绝执行。
[简答题]行政事业单位会计恒等式为？
[判断题]直轴常用的方法有捻打法、机械加压法、局部加热法、局部加热加压法、内应力消除法。 [1分]
A.正确 B.错误 [多选题]中国政府共建“一带一路”坚持的原则是（ ）。
A.开放合作 B.和谐包容 C.市场运作 D.互利共赢 E.同舟共济 [单选题]彩色多普勒血流显像与伪彩（B 超） 的却别是：
A.伪彩与彩色多普勒是同一概念 B.彩色多普勒血流显像由灰阶转换而来 C.伪彩是由血流转换而来 D.彩色多普勒与伪彩不是同一概念 E.伪彩可显示瓣膜反流 [单选题]依据《中国南方电网有限责任公司电力安全工作规程》(Q/CSG 510001-2015)第26.3.4条规定:高压绝缘手套进行工频耐压试验时,其泄漏电流应不超过( )mA。
A.6 B.7 C.8 D.9 [单选题]以下化学性损伤的防范措施不妥的是 ( )
A.熟悉各种药物应用知识 B.严格执行药物管理制度和药疗原则 C.进行药疗时,严格执行“三查七对” D.为避免病人擅自用药,严禁向病人及家属讲解用药的有关知识 我来回答: 提交
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