苏联的军事和综合国力大为增长，一跃而成为与美国相匹敌的超级大国是在哪位领导人执政期间[ ]
A、列宁
B、戈尔巴乔夫
C、斯大林
D、勃涅日列夫
答案：D
Which one of the following nursing interventions should be included in a plan of care for a client with a T tube()
A. Maintain client in a supine position while T tube is in place.
B. Keep T tube clamped except for during mealtimes.
C. Inspect skin around the T tube daily for irritation.
D. Irrigate the T tube every 4 hours to maintain patency.
建构主义学习理论的基本观点有哪些
