Unit 5 第3课时 Grammar（分层作业）英语译林版九年级上册

Unit 5 Art world 第3课时 Grammar 分层练习 一、选词填空 as, since, because, so, because of 1. Tom missed the bus ________ he got up late. 2. ________ a good teacher, he worked very hard. 3. —Why do you like Chemistry? —________ it’s very interesting. 4. ________ the heavy snow, they had to stay at home. 5. ________ it is so hot, let’s go swimming. 6. Kitty will dance at the song and dance show, ________ she has to practise hard these days. 【答案】 1. because 2. As 3. Because 4. Because of 5. As##Since 6. so 【解析】 【1题详解】 句意：汤姆没赶上公共汽车，因为他起晚了。“got up late”是“missed the bus”的直接原因，用because“因为”连接。故填because。 【2题详解】 句意：作为一名好老师，他学习非常努力。根据“a good teacher”可知，此处是指作为一名好老师。as“作为”，介词。故填As。 【3题详解】 句意：——你为什么喜欢化学？——因为它非常有趣。用why提问，需用because回答。故填Because。 【4题详解】 句意：因为大雪，他们不得不待在家里。空后“the heavy snow”是名词短语；because of后跟短语/单词。故填Because of。 【5题详解】 句意：天气这么热，我们去游泳吧。根据“it is so hot”可知，天气很热是已知的，显然的，大家都知道的原因。as/since“因为”都可以。故填As/Since。 【6题详解】 句意：基蒂将在歌舞表演中跳舞，所以这些天她不得不努力练习。前因后果，需用so“因此”连接句子。故填so。 二、单项填空 7. Mo Yan’s books have been sold out in many bookstores ________ his winning of the Nobel Prize in Literature. A. because B. since C. as D. because of 【答案】D 【详解】句意：因为莫言获得了诺贝尔文学奖，所以他的书在很多书店都卖光了。 考查介词和连词。because因为，后面跟从句；since因为，后跟从句；as因为，连词，后跟从句；because of因为，后跟动名词。根据“Mo Yan’s books have been sold out in many bookstores ... his winning of the Nobel Prize in Literature.”可知，此处是表原因，winning为动名词，因此用because of。故选D。 8. —________ is the street full of so many people? —Because they are waiting to watch the boat races. A. Why B. Where C. How D. Who 【答案】A 【详解】句意：——为什么街上挤满了这么多人？——因为他们在等着看划船比赛。 考查特殊疑问句。Why为什么；Where哪里；How如何；Who谁。根据“Because they are waiting to watch the boat races.”可知，此处询问原因。故选A。 9. We should care more about our health ________ good health is the first step towards success. A. so B. because C. but D. if 【答案】B 【详解】句意：我们应该更加关心我们的健康，因为健康是走向成功的第一步。 考查连词辨析。so所以；because因为；but但是；if如果。根据“We should care more about our health”及“good health is the first step towards success”，可知，我们要关心健康，因为健康是走向成功的第一步，用be