皮皮学,免费搜题
登录
搜题
【简答题】
Learning science in the classroom by reading textbooks can be really difficult and boring. 1 You can learn science with games and experiments. Play a game with friends to see whose balloon(气球)will stick to the wall for the longest period of time before falling to the floor. 2 This static electricity is generated by rubbing a balloon against your clothing. It becomes a lot of fun when you are competing against several other people to see whose balloon sticks the longest. 3 Closing your eyes and try to see if you can recognize juices, fruits and vegetables. This experiment becomes a real challenge when you are competing against others to see if you can do better than them. Parents and teachers are always looking for ways to keep children away from the TV set. 4 And children will learn a scientific fact in each game. A teacher said, ' I wish all of my students would participate in these contests with their friends. They really enjoy the challenge and they all seem to learn so much quickly and easily. ' A parent said,' I can feel the excitement every time they play these games. 5 .' A. But it doesn't have to be that way. B. However, it's more import to keep safe. C. You can learn about your sense of touch, taste and smell. D. Through this you can learn the science of static electricity(静电). E. Therse're a lot more ways for students to learn about science. F. They are happy and at the same time they learn a lot about science. G. These experiments and challenges are much more fun than anything on TV.
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】(41)关于Internet域名系统的描述中,错误的是( )。 A)域名解析需要一组既独立又协作的域名服务器 B)域名服务器逻辑上构成一定的层次结构 C)域名解析总是从根域名服务器开始 D)递归解析是域名解析的一种方式
【简答题】关于Internet域名服务系统的描述中,错误的是 A)“非权威”的解析结果是由解析器造成的 B)域名解析可以从根域名服务器开始 C)使用高速缓冲技术可以提高域名解析的效率 D)域名解析的两种方式为递归解析和反复解析
【多选题】离开旅游目的地饭店前,领队应向当地导游员商定的事项有( )
A.
与饭店结清账目
B.
出行李时间
C.
不要讲护照、机票、钱包放在托运行李中
D.
将钥匙交到饭店前台
E.
不要将饭店提供的一次性 洗漱用品带走
【单选题】机械冷藏车,如因迂回线故障等原因,必须通过设有车辆减速器(顶)的驼峰时,以不得超过()km/h的速度推送过峰。
A.
10
B.
7
C.
5
D.
3
【判断题】我国古代建筑的彩画共有三种,按等级从高到低排列依次为玺彩画、苏式彩画和旋子彩画()
A.
正确
B.
错误
【单选题】如因迂回线故障等原因,机械冷藏车必须通过设有车辆减速器(顶)的驼峰时,以不超过()的速度推送过峰。
A.
5km/h
B.
3km/h
C.
7km/h
D.
15km/h
【判断题】我国古代建筑的彩画共有三种,按等级从高到低排列依次为和玺彩画、苏氏彩画和旋子彩画。
A.
正确
B.
错误
【单选题】关于Internet域名系统的描述中,错误的是
A.
域名解析需要借助于一组域名服务器
B.
域名服务器逻辑上构成一定的层次结构
C.
域名解析总是从根域名服务器开始
D.
递归解析是域名解析的一种方式
【单选题】HTTP默认端口号是
A.
21
B.
80
C.
8080
D.
23
【单选题】关于Internet域名系统的描述中,错误的是______。
A.
域名解析需要一组既独立又协作的域名服务器
B.
域名服务器逻辑上构成一定的层次结构
C.
域名解析总是从根域名服务器邢台
D.
递归解析是域名解析的一种方式
相关题目: