陕西省2015
高考英语人教版一轮课时作业及解析：必修5 unit 5 课时作业(二十五) 必修5 unit 5 first aid[ ⅰ.单词拼写 1．the biggest problem i have to face is the language________(障碍) when i go abroad. 2．he slowed the bleeding by applying pressure to the wounds until the police and an________(救护车) arrived. 3．the________(复杂的) operating systems of computers are difficult for some aged people who lack knowledge about computers.
