人教版Book3Unit4Astronomy词汇.pptVIP

Unit 4 Astronomy But the dog, after sniffing around for a bit, __ lay __ (lie) down and began to complain about how difficult it was to find one bone in such a big field. 1. In the disastrous flood many towns and villages were ____ to ruins. lessened cut C. decreased D. reduced  Other important words violent: using force to hurt or attack猛烈的 violence n. violent adj. 2. surface :the covering of sth. 表面;外表 3.development : the changes as plants or animals grow older n.发展 develop v. 4. generally: usually or widely 一般地;通常地 5. prevent…from: stop… from Nouns in this unit system theory atom billion globe atmosphere chain presence oxygen puzzle biology satellite physicist climate spaceship mass Verbs and phrases lay eggs exist puzzle prevent from pull give birth to break out cheer up watch out block out Adj and Adv violent harmful thus gentle Other words in time (time) unlike in one’s turn (turn) now that/because /since /for/as Choose the following words to make sentences or a short paragraph In time atmosphere harmful exist in one’s turn puzzle prevent from cheer up now that break out watch out On Sunday, my grandmother called me and tell me that the dog has just given birth to a small dog. The existence of the small dog cheer up my grandma and there is smiling on her face all the time.When I want to touch the small dog,the big dog was barking to me. It seems that she was to prevent me from harming her child. It’s important for the small dog to adapt to the new environment. Retell the passage in pairs. The following phrases may help them: A cloud of dust→a solid ball→presence of water→small plants grow on the water→shellfish and other fish appear→plants begin to grow