Hello, friends and net-friends. My blog has not yet been updated for many weeks because I have been very busy recently. What happened? I start teaching a new class about computer security under an advanced diploma course.
In order to let students understand more, I had prepared lots of materials and past papers as well. The preparation takes up so much time and effort. On the other hand, I also need to take care tutorials of programming.
Sometimes I can find that teaching is the ultimate learning. If you can teach it and the students can understand it, it means you have learnt it, understand it thoroughly and express it in another way.
I hope students can learn more eagerly and understand the principle of "Do more, learn more.", learn by example and learn by experience. Hope they can experience that improve learning by learning itself.
At this age, don't expect too much guidiance. When we learn something, we need to find the hook by ourselves. These hook can be our interest and then they become the learning drivers.
Why we need to keep learning from time to time? It is obvious that we are living in changing world. It is a real world which we need to understand such that we can create a better life.
Many of us do not want to face the problems. These problems would accumulate and becomes the burden. Many of us just blame the situation or the curcumstances without doing anything. It won't attack the problem but the our morale. We should regret that someone is eventually reminded that there are some poors in the city. We should regret that we just hate who has high paid without thinking how we can get better paid.
Hope we can learn that it is a multicultural city. There are various types of citizens and there should been various types of jobs. No one fits for all. Each citizen should have its own way to show its own talent and contribute to the city.
本月十二日，四川發生黎克特制八級強烈地震，至今造成超過四萬人喪生，近千萬人受災。目前，災區正面臨缺水、缺糧和餘震威脅，加上隨時爆發疫症，在此艱難時刻，災民亟待援手。
地震後，樂施會即時向香港公眾發出捐款呼籲，並得到各界熱心人士積極回應，截至5月21日，我們一共籌得3,450多萬港元，樂施會在此致意。目前，十多名樂施會專責救災的職員，正聯同一批專業醫護人員，全力在災區展開工作，其中包括︰
根據樂施會職員在災區進一步的災情評估，是次災難造成的人命傷亡及破壞遠遠超過想像，無數災民現正急需糧食、清潔食水、藥物和衛生用品。此外，地震的災後重建工作十分龐大及複雜，我們懇請大家伸出援手，協助災民渡過難關，重建家園。
在本周末（5月24日、25日），樂施會將繼續在港九新界街頭多個地點義賣「樂施米」，籌款支援地震災民及其他扶貧工作。您捐助的一分一毫都會用於國內地震的救援及重建工作，不會扣除任何行政費用。
四川汶川的大部分學校在地震中倒塌，但是一些由香港慈善機構監督建造的學校卻屹立不倒。
成千上萬的學生被壓在學校廢墟中，建築物的質量問題引起人們的關注。
香港苗圃行動在四川南部資助監督建造了61所學校，其中有6所位於震央附近，它們沒有倒塌，也沒出現傷亡。
該機構義務總幹事梁建華接受BBC中文部採訪時表示，這6所學校包括3所正在建設當中的和3所已經建好可以使用的。
他說，其中有一所比較靠經這次的重災區汶川，地震之後該學校只出現了一些裂縫。
嚴格要求
談到為什麼他們資助的學校沒有倒塌，而絕大部分中國內地建造的學校卻夷為平地，梁建華沒有正面回答。
他指出，不同年代的建築有不同的抗震要求，苗圃行動資助的學校大部分是在2000年以後建造的。
在出錢建造學校時，苗圃行動要求由縣一級以上的設計院設計學校，建築藍圖再交由香港認可的工程師檢驗。
在學校建好之後，還需要當地縣一級的部門以及香港派去的義工一起進行驗收。
他說："從電視新聞中看到的倒塌的學校應該是在1980或1990年代建設的，當時的抗震要求沒有2000年以後那麼高。"
抗震設計
中國建設部早在1978年就頒布了《建築抗震設計規範》。
當中列明："當遭受高於本地區抗震設防烈度預估的罕遇地震影響時，不至於倒塌或發生危及生命的嚴重破壞。"
據悉這次地震的重災區中北川、汶川、綿竹、茂縣和都江堰屬於7度設防，九寨溝、平武、鬆潘和文縣屬於8度設防。
深圳建築業人士林綠野投書BBC中文部表示，那些1978年以後建設的建築物，至少應該在這次地震中不至於徹底倒塌。
他指出："北川中學教學主樓是在1996建設的，在這次地震中被夷為平地。問題就出在偷工減料，出在官商勾結的政治腐敗。"
