2. trong thực tiễn sản xuất cần phải làm gì để tránh sự cạnh tranh gay gắt giữa các cá thể sinh vật làm giảm năng suất vật nuôi,cây trồng

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3/ Use the correct form of verb: 1/ I want everyone ............................ ( listen) carefully. 2/ How about ............................... ( use) tree leaves to wrap things ? 3/ If we keep the environment clean, we ......................... (have) healthy life 4/ You should ............................(reduce) the amount of water your family use. 4/ Rewrite: 1.The game took place although it rained heavily. In spite of............................................................................................................................ 2.In spite of agood performance, she lost the match Although.............................................................................................................................. 3.Trinh cong son is dead. He composed many famous songs. Tring cong son.................................................................................................................... 4.The concert was cancelled because the singer was ill. Because of............................................................................................................................ 5.The weather was good, but people still want them. In spite of............................................................................................................................. 6.If you don’t learn hard, you will fail in you exam. Unless.................................................................................................................................. 7Although he’s got a french name ,he is in fact American. Despite................................................................................................................................. 8.I decided to accept the job although the salary was low. In spite of............................................................................................................................ 9.In spite of her ill ness , my mother never complained. Although.............................................................................................................................. 5/ Read the passage and do the exercise below : July 20th 1969 was an important day .Two Americans landed on the moon .They went in a spaceship. Its name was Apollo. On July 20th the spaceship landed in the sea of tranquility . The astronauts walked on the surface of the moon, They picked up some rocks and put them in the spaceship . Then they put a flag on the ground. On July 21st Apollo II left the moon and returned to earth . a/These sentences are True(T) or False (F): a. June 20th was an important day . ____ b. The name of the spaceship was Apollo. ____ c. The astronauts walked on the surface of the moon . ____ d. Apollo I left the moon and returned to the earth on July 21st . ____ b/ Answer the questions:) a. Did two Americans land on the moon ? ………………………………………………………………………… b. What did they pick up from the moon ?-………………………………………………………………………….