双作用往复泵活塞往复一次有（）。A、一个吸入过程，一个排出过程 B、一个吸入过程，两 发布时间：2019-12-03 13:24 │ 来源：www.tikuol.com 题型：单项选择题 问题： 双作用往复泵活塞往复一次有（）。A、一个吸入过程，一个排出过程B、一个吸入过程，两个排出过程C、两个吸入过程，两个排出过程D、两个吸入过程，一个排出过程
题型：单项选择题 从下面所给出的词组中选择恰当的词组,用正确的形式填空,其中有2个多余的词组come out, be use to, at times, experiment with,be expected to, work with, be deep in thought, fix one’s eyes on,put up, be related to, hold one’s breath, dream of1. The cat _________________ while it was getting near the mouse.2. The rise in crime ________________________ the increase in unemployment.3. A lot of posters __________along the street to promote the new film when it comes out.4. The workers _______________new ways in the early reform to improve the quality of the product.5. He doesn't like thinking. He ____________________ being given the answers by teachers.6. The old carpenter spends most of his life _____________wood.7. The repairing work of the teaching building _________________be finished in three months.8. Happiness is the theme of life, although it can be hard ___________________________.9. The man ___________________becoming an astronaut and flying into space when he was young.10. When the film star appeared, all the people ____________________her. 查看答案
题型：单项选择题 患儿男，4岁。查体：BP90/60mmHg；重度压凹性水肿。实验室检查：尿蛋白（+++），尿RBC0～1/HP；血清蛋白20g/L。最可能的诊断为（）A.肾炎性肾病B.单纯性肾病C.IgA肾病D.急性肾炎E.膜性肾病 查看答案
题型：单项选择题 民族团结是社会稳定的前提，是经济发展和社会进步的前提。作为公民，维护民族团结应该 [ ]①坚持和完善民族区域自治制度 ②尊重其他民族的风俗习惯 ③与各民族同胞平等相处 ④严厉制裁民族分裂分子 A．①④ B．②③ C．①②④ D．①②③④ 查看答案