chuyển mạch burst obs optical burst switching

... roads ( 27) _ open It was impossible to use fighting equipment as most of the water pipes had burst Consequently, over ninety percent of the damage (28) by fire rather than by the collapse...

Ngày tải lên: 04/05/2015, 16:07

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Ngày tải lên: 25/06/2013, 01:25

... exercise can be harmful, as many joggers have discovered Eating the right food can easily become an obsession, as can overworking, which you might have to so as to be able to afford your (55) of the ... It is now thought that galaxies contain great amounts of “dark matter”, which cannot be directly observed but which generates gravitational pull This matter includes gas, dust, burnt-out stars, ... occur in clusters B They are not actually galaxies but parts of galaxies C They have never been observed D They are larger than other galaxies Câu 72: The word "globular" is closest in meaning...

Ngày tải lên: 15/08/2013, 16:04

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Ngày tải lên: 04/01/2014, 09:56

... of jobs people had didn’t require the kind of basic education and specialized training that is often required in the workforce today In the 1950s, for instance, only 20 percent of American jobs ... percent as unskilled Today, our world has changed The proportion of unskilled jobs has fallen to 20 percent, while skilled jobs now account for at least 60 percent of the workforce Even more important, ... 20 percent of American jobs were classified as professional, 20 percent as skilled, and 60 percent as unskilled Today, our world has changed The proportion of unskilled jobs has fallen to 20 percent,...

Ngày tải lên: 12/01/2014, 00:30

... expressions According to the passage, we respond to others by A observing their looks C watching their actions B observing their emotional expressions D looking at their faces Many studies ... people are more susceptible to heart attacks in the first few hours after waking Cardiologists first observed this morning phenomenon in the mid-1980, and have since discovered a number of possible ... the earth is in the shadow of the moon, we see an eclipse of the sun A B C D 39 If motorists not observe the traffic regulations, they will be stopped, ticketed and A B C have to pay a fine D Long...

Ngày tải lên: 20/03/2014, 04:21

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Ngày tải lên: 01/04/2014, 11:21

... phân biệt.) Simple Past: S1 + V2 + O1 (V2 động từ chia khứ) Passive:   Khi chuyển dạng sang câu bị động, bạn phải di chuyển O1 lên vị trí S1, S1 lên vị trí O1 nhớ biến đổi O1->S1 cho thích hợp ... https://www.facebook.com/quocbao153 Page 16 Lê Quốc Bảo    http://www.yeutienganh123.com Cuối động từ V1, V2 bạn chuyển sang V3 (Past Participle) nằm cột số bảng động từ bất qui tắc, động từ có qui tắc thêm “ed” ... ngữ vô định (by people, by someone) bạn bỏ Đối với câu có nội đông từ (đông từ không cần túc từ) chuyển sang thể bị đông Example: My arm hurts Passive Voice of Future Continuous (Dạng bị động tương...

Ngày tải lên: 08/05/2014, 11:14

... Contemporary hunter-gatherers may help us understand our prehistoric ancestors We know from the observation of modern hunter-gatherers in both Africa and Alaska that a society based on hunting ... that they had experienced no difficulty in breathing and had (35) many interesting scientific observations The captain of the party, Commander Cousteau, spoke of the possibility of (36) the ... most of their time (37) the bottom of the sea On four occasions, they went down to 360 feet and observed many extraordinary (38) of the marine life, some of which had never been seen before...

Ngày tải lên: 22/06/2014, 16:20

... that they had experienced no difficulty in breathing and had (20) many interesting scientific observations The captain of the party, Commander Cousteau, spoke of the possibility of (21) the ... most of their time (22) the bottom of the sea On four occasions, they went down to 360 feet and observed many extraordinary (23) of the marine life, some of which had never been seen before...

Ngày tải lên: 22/06/2014, 16:20