政体是指国家 * * 的组织形式。我国的政体是
A.社会主义制度
B.人民民主专政
C.人民代表大会制度
D.社会主义公有制
答案:C
我国的政体是民主集中制的人民代表大会制度,答案为C。
The nurse is caring for a client who complains of lower back pain. Which instructions should the nurse give to this client to prevent back injury
A.Bend over the object you're lifting.
B.Narrow the stance when lifting.
C.Push or puI1 an object using your arms.
D.Stand close to the object you're lifting.
按照电光源效率,将金属卤化灯、高压钠灯、低压钠灯、荧光灯的光效从高到低排列正确的是()。
A.高压钠灯、荧光灯、金属卤化灯、低压钠灯
B.低压钠灯、高压钠灯、金属卤化灯、荧光灯
C.荧光灯、金属卤化灯、高压钠灯、低压钠灯
D.金属卤化灯、高压钠灯、低压钠灯、荧光灯