牛顿数学研究所简介 (网址: http://www.newton.ac.uk/ ) The Isaac Newton Institute for Mathematical Sciences is a national and international visitor research institute. It runs research programmes on selected themes in mathematics and the mathematical sciences with applications over a wide ra ...
1. Verbs has to agree with their subjects. 2. Prepositions are not words to end sentences with. 3. And don't start a sentence with a conjunction. 4. It is wrong to ever split an infinitive. 5. Avoid cliches lik ...