the summation of x where x goes from 1to n n∏i=1xi: the product of x sub i where igoes from 1to n ∫ab: integral betweens a and b 欧阳学创编 欧阳学创编数学符号(理科符号)——运算符号 1.基本符号:+-×÷......
英语语法-“prevent ... from ...prevent ... from ...[观察] 阅读下列各句，并观察prevent ... from ... 在句中的用法。1. The bad cold prevented / stopped Alice ( from ) taking part in the sports meet.=The ......
They come from France. 我的人都有灾难营救的经验, 他们中的一些在曾经在美国和法国 受训,他们知道怎样去救人。 My men have disaster rescue experience and some of 2 them have beentrained in America and France. They know ......
WASHINGTON: The entire genome of a foetus can be pieced together from bits ofDNA that float through the pregnant mother's blood, which could lead to non-invasive foetal testing. 你怎么拼读钢笔这个词? How do you......
3、教师自问自答:如 Where are you from? We're from Yunnan. 4、学生练读; 5、老师改变主语问,学生答。 三、操练: 同桌指书上插图互相问答 四、Ask and answer: 1、手拿卡片两人互相问答: Where are you from? I'm ......
“的意思,查 看英英词典,wage 的英文释义是”an amount of money that is paid, usually every week, to a employee for their work”,而 salary 的意思则是” the money that someone earns each month or year from their ......
听说用英语怎么说 听说的英文: hear of 参考例句: I'm most relieved to hear that she's recovered from her illness. 听说她康复了,我甚感欣慰。I hear you have passed the entrance examination of the university.......
摄影:design pics/rex features Primary school children will benefit from teach first this year. Photograph: design pics/ rex features 4. 她用一个逃学小学生的神秘态度格格笑着对我说了这件事。 She told me about this ......
Earlier this year, the Division published a summary of the most frequent general areas of comment resulting from this review.14 December 2001 — The Commission issued cautionary advice to companies regarding the need for ......
The film originated from a novel. 这部电影 最后的结局如何? How did the movie finally come out? 那天的电影 ,我没捞着看。 I missed the film the other day. 电影 刚开始。 The film has just started. 不但是我喜欢......
