外研版（2019）必修第三册Unit 5 What an adventure!同步课时作业（共3份，含解析）

Unit 5 What an adventure! Using Language———高一英语外研版（2019）必修第三册同步课时作业 一、语法填空 1.The poor weather may have accounted _____ the small crowds in the park. 2.Unfortunately, we had to admit our money _____ (run) out in weeks. 3.Jim is not here right now. He said he _____ (be) on duty at the library this afternoon. 4.I didn't know when she would come, but when she _____ (come) I would let you know. 5.The bus driver told everybody to get ready because the bus _____ (start). 6.Yang Liwei always believed that he _____ (become) an astronaut one day. 7.Plants are able to do some pretty awesome things that you are probably totally unaware _____. 8.Jack was so busy when we saw him, because he _____ (make) a speech the next day. 9.The old town of Lijiang stands in the northwest of Yunnan Province, _____ (surround) with elegant green trees. 10.At college, Barack Obama didn't know that he _____ (become) the first black president of the United States of America. 二、七选五 Hiking, that is, traveling on foot, can be a great way to spend time outdoors. ①_____ With enough preparation, hiking can be a safe sport which anyone can take part in. Map out your way before setting out. Tell friends or relatives where and when you will be hiking, and when you expect to return. ②_____ If you have a navigation(导航) device, pack it as well. ③_____ Your body can only take in about 1 liter of liquid per hour, so drink 0.5 to 1 liter of some type of electrolyte(电解质) replacement drink every hour when you are hiking in the heat. Carry your water bottle in your hand and drink small amounts often. An adult should drink about 4 liters of electrolyte replacement drink for every 8 hours spent hiking in the heat. In case of lightning storms, stay away from tall trees and go quickly to the lowest land you can find. On hot summer days, it's necessary to bring clothing and a raincoat. ④____ In the fall and winter, pack warm clothing and matches in case you need to build a fire. If you have worked out a hiking plan and told friends or family about your whereabouts(行踪), help will be on the way as soon as they realize that you are missing. The best course of action is to stay in one site so that search parties can find you. Try to find grassland or a clearing(林中空地) where you may be seen from the air. A positioning device is a good helper. With that, your family or friends may easily know where you are. ⑤_____ A.Water is the most important thing. B.Going hiking with friends is even greater. C.Buy a map of the area and familiarize yourself with the paths. D.It will also be fixed in boats both of the sailing and rowing variety. E.Take plenty of water and suncream, as temperatures may increase fast. F.However, basic hiking rules are necessary to ensure you have a safe trip. G.To bring a cellphone is also a good idea, but you may not have service in remote areas. 答案以及解析 一、语法填空 1.答案：for 解析：句意为:天气不好可能是公园里人来得少的原因。account fo ... ...