Unit 4 Section ⅢⅠ.单词拼写1 ． I got out of bed and pulled the curtains ， so warm sunshine poured through the windows into the room.2．Because of the earth's gravity，apples fall to the ground.3．He is a kind and gentle person，and we all like to communicate with him.4．The moon is a satellite of the earth.5．The hot climate(气候) here doesn't agree with her.6．A biologist is one who studies or works in biology(生物学)．7．The car crashed(碰撞) straight into a tree.8 ． He found something floating( 漂 浮 ) on the lake ， which frightened him.9．There are five scientists in the spaceship(宇宙飞船)．10．Li Zhengdao is a physicist(物理学家) of great achievements.Ⅱ.选词填空(用方框中所给短语的合适形式填空) cheer up ， give birth to ， break out ， in turn ， block out ， now that，depend on，watch out for，prevent…from，in time1.If you keep on learning English，you'll be able to speak it quite fluently in_time.2．The unexpected storm prevented us from climbing the mountain.3 ． The good news of our football team winning the game cheered_up everybody.4．Now_that everyone agrees to my plan，let's start tomorrow.5．Whether our experiment will be successful depends_on whether we are patient enough.6．Mrs.White gave_birth_to a healthy baby.7．The staff were asked to_watch_out_for fake bank credit cards.8 ． It was almost midnight when the fire broke_out in the neighborhood.9．He asked each of us in_turn to describe how alcohol had affected our lives.10．A heavy curtain was drawn to block_out the light.沁园春·雪 <毛泽东>北国风光，千里冰封，万里雪飘。望长城内外，惟余莽莽；大河上下，顿失滔滔。山舞银蛇，原驰蜡象，欲与天公试比高。须晴日，看红装素裹，分外妖娆。江山如此多娇，引无数英雄竞折腰。惜秦皇汉武，略输文采；唐宗宋祖，稍逊风骚。一代天骄，成吉思汗，只识弯弓射大雕。俱往矣，数风流人物，还看今朝。
