glossary of chromatographic terms
KT trắc nghiệm LÝ THPT 12( Có đáp án )
Ngày tải lên :
29/05/2013, 23:20
... C Một tia sáng tới thấu kính hội tụ, tia ló luôn cắt trục D Vật thật nằm khoảng tiêu cự (trong OF) thấu kính hội tụ cho ảnh ảo lớn vật, chiều với vật [Chọn C] Câu 20 Chọn câu sai Với thấu kính...
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Đề kiểm tra tiếng anh lớp 12 số 29
Ngày tải lên :
05/09/2013, 08:09
... leave the office yesterday a He was seen to leave the office yesterday b He was seen leave the office yesterday c He was seen left the office yesterday d He was seen that he left the office yesterday ... silver and bronze medals The Olympic Games are very popular All the lovers of sports watch the games on TV and many of them come to see them from all over the world The Olympic Games really help ... by scattering junk and litter in the land and in the water A B C D 25 Pollution of soil is reduced the amount of land that is available for growing food A B C D 26 Environmental pollution also...
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Ôn thi tốt nghiệp THPT 12
Ngày tải lên :
25/10/2013, 16:11
... phrases & clauses of reason Phrases of reason + Because of + N/ N phrases or Gerund phrase Clauses of reason + Because/ since/ for/ as + S + V iv phrases & clauses of concession Phrases of concesion ... of Liberty was a gift of friendship from France to United States Rita is studying English and Math this semester judge asked witness to tell truth Please give me cup of coffee ... front of the house The garden goes down to the , and in Spring and Summer there are everywhere I live .with my dog, Boxer, but we have a lot of Many of my friends work in the city, so they often...
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