精品解析：人教新目标英语九年级上册分层精练：Unit7 Teenagers should beallowed to（解析版）.doc

Unit 7 Teenagers should be allowed to choose their own clothes. 第1课时 Section A(1a—2d) 用括号内所给词的适当形式填空。 1. When you drive, you must pay attention to your _____ (safe)． 2. His idea sounds too silly. I____ (agree) with him. 3. Jack seems ____ (know) what he is singing. 4. You are not healthy, and should stop ____ (eat) junk food. 5. The girls are excited about ____ (see) their favorite movie star. 【答案】1. safety 2. disagree 3. to know 4. eating 5. seeing 【解析】 1. 句意：当你开车时，你必须注意你的安全。形容词性物主代词your后跟名词，故答案为safety。 2. 句意：他的想法听起来有点愚蠢，我不同意他的观点。根据前面的句子“His idea sounds too silly.”判断，不赞同对方的观点，故答案为disagree。 3. 句意：杰克似乎知道他正在唱什么。seem to do sth.似乎要做某事，故答案为to know。 4. 句意：你身体不健康，应该停止吃垃圾食品。stop doing sth.停止做某事，结合句意可知，答案为eating。 5. 句意：这些女孩看到他们最喜欢的电影明星非常兴奋。about为介词，后跟动词-ing形式，故答案为seeing。 从方框中选择恰当的单词，完成下面的句子。 6. The girl with gold _____ is Tom’s sister. 7. For your health, you should give up _____． 8. Tom got his driver’s _____yesterday. 9. It’s a little dark. You’d better use the _____ when you take photos. 10. I don’t think students should be allowed to get their ears _____． 【答案】6. earrings 7. smoking 8. license 9. flash 10. pierced 【解析】 6. 句意：戴金耳环的那个女孩是汤姆的妹妹。结合句意可知，答案为earrings。注意耳环是两个要用名词的复数形式。 7. 句意：为了你的健康，你必须戒烟。give up doing sth.放弃做某事，结合句意可知，答案为smoking。 8. 句意：汤姆昨天获得了驾驶执照。结合句意可知，答案为license。 9. 句意：光线有点暗，拍照时你应该使用闪光灯。结合句意可知，答案为flash。 10. 句意：我认为学生不应该扎耳眼。get sth. done使/让某人做某事，get one’s ears pierced扎耳眼，故答案为pierced。 点睛：选词填空，是在句子或语篇中考查单词语法填空，首先要根据句意选择所要填入的单词，然后根据语法需要做出相应的变形。如第2小题是考查动名词用作宾语；第5小题是考查过去分词的用法。 Ⅲ.单项选择。 11. Look! These ________ have got their driver’s licenses.【高频考点】 A. sixteen－years－old B. sixteen－year－olds C. sixteen－years－olds D. sixteen－year－old 【答案】B 【解析】句意：看！这些十六岁的孩子都拿到了他们的驾驶执照。sixteen-year-old是由“数词+名词（单数）+形容词”构成的复合形容词，译为“十六岁的”，而这种复合形容词通常可以加s变为复数表示一类人或一类物，可独立作主语。故答案选B。 12. (2017·合肥科大附中月考)These little children should not be ________ every day. A. allowed stay up B. allowed to stay up C. allowed to staying up D. allowed staying up 【答案】B 【解析】句意：