... all over the world. A B C D 1 SỞ GIÁO DỤC VÀ ĐÀO TẠO ĐỀ THI HỌC SINH GIỎI VÒNG TRƯỜNG TRƯỜNG THPT ĐẦM DƠI MÔN TIẾNG ANH THỜI GIAN: 180 PHÚT I. Chose the best answer from A,B,C ... that plants …(8)… grew in pots did not seem to use up the soil. No matter (9) …large such plants became, the amount of the soil in the pots remained about the…(10)…….This was very puzzling. At ... roots and all …(16)…the pot. He …(17)…the pot of soil again and weighed it. It weighed only a very little less than it…(18)……. before. The plants had gained a great…( 19) ….in weight, but the...