如图是家庭、宾馆常用的电热水壶及其铭牌．（1）该电热水壶正_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题计算题

如图是家庭、宾馆常用的电热水壶及其铭牌．

（1）该电热水壶正常工作时的电阻为 _________ 欧．

（2）该电热水壶正常工作时、烧开一壶水需要5分钟，其消耗的电能是多少？

（3）在用电高峰期使用，如果电压只有200伏，这时电热水壶的实际功率有多大？（不考虑电阻的变化）

答案

（1）44；

（2）消耗的电能是3.3 ×10⁵J；

（3）电热水壶的实际功率为909W．

完形填空

对话填空（阅读下面对话，掌握大意，并根据所给首字母的提示，在标有题号的右边横线上写出一个英语单词的完整正确形式，使对话通顺。共10小题；每小题1分，满分10分）

L: I’m terribly sorry to trouble you, but I’d like to ask you some questions.
O: Please go （76）a________.
L: I find English really difficult to learn. It’s (77)u_________ that I have worked
hard but have achieved so little.
O: In what way?
L: Remembering new words is rather difficult. I looked at the vocabulary but I couldn’t remember them. It is (78) o_______ that I have no
(79) g______ for English.
O: I don’t think so. Things may not sound like what you say. You’d better try different （80）w_____ to remember them and try
to make it interesting. For example, you can write the words on a card in English on one side and Chinese on the （81）o_____.
L: And how I can （82）i_____ my reading ability?
O: Well, as(83)f_______ that, you should do a lot of reading. You know practice
makes perfect. If time（84）p_____, you can read novels written by some
famous（85）w_____ such as Mark Twain, Charles Dickens and so on.
L: Thank you. I’ll have a try.
O: Gook luck with your English study in the future.

76.__________
77.__________
78.__________
79.__________
80.__________
81.__________
82.__________
83.__________
84.__________
85._________

判断题

载荷中心距等于货叉水平段长度的一半。