测量结果与平均结果的差是（）。A、精度 B、误差 C、偏差 发布时间：2020-01-14 13:56 │ 来源：www.tikuol.com 题型：单项选择题 问题： 测量结果与平均结果的差是（）。A、精度B、误差C、偏差
题型：单项选择题 阅读下面短文，根据短文内容完成表格中所缺信息，每空一词 If we find a bird nest, we will have a good place of observing (观察) and knowing about birds. Birds sit on eggs and take care of their baby birds from April to June. Because the baby birds are too young to leave the nest, mothers often leave and come back to the nest during the time to look for food. So it is good to observe birds. When we observe birds, we’d better hide ourselves in a close place tothe nest, and it’s better for you to use binoculars (双筒望远镜). But how to make a bird nest? It’s very easy. If you want to make one, please follow these: Making a nest: A good nest must be very fine, strong, thick and easy.a) Each nest must have six boards. Don’t make the boards too slippery.b) Dig a small hole in the front of the nest as a door. The “door” is from 3cm to 5cm. So the bird can fly in or out easily.c) Make sure the rainwater doesn’t go into the nest.d) One piece of the boards should be easy to open.e) Please don’t forget to color the nest. 1.How do birds look after their 1 birds?They sit on 2 and take care of their baby birds from 3 to June. Mothers often 4 and come back to the nest during the time to look for 5 , because the baby birds are too young to leave the nest.2.When we observe birds.we’d better hide 6 in a close place to the nest, and you had 7 use binoculars(双筒望远镜).3. How to make a bird 8 ?a) Each nest must have six boards. Don’t make the boards too slippery.b) Dig a small hole in the 9 of the nest as a door. The “door” is from 3cm to 5cm. So the bird can fly in or out easily.c) Make 10 the rainwater doesn’t go into the nest.1.______ 2.______ 3.______ 4.______ 5.______6.______ 7.______ 8.______ 9.______ 10.______ 查看答案
题型：单项选择题 下列壶腹周围癌与胰头癌的比较，错误的是（）A.壶腹周围癌的黄疸较胰头癌黄疸出现早B.壶腹周围癌较胰头癌易引起消化道出血C.壶腹周围癌切除率较胰头癌高，预后也较好D.两者手术方式相同，均需作胰十二指肠切除术E.两者均不会出现寒战、高热 查看答案
题型：单项选择题 保证老人居家安全的照顾方法，正确的是（）。A.冬季房间要减少通风时间，避免受凉感冒B.沐浴时，浴室温度以20～22℃为宜C.夜晚入睡点亮地灯，保证夜间如劂安全D.家用通道两侧应多摆放家具，便于行走扶持E.老年人皮肤感觉下降，保暖热水袋水温提高 查看答案