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课时提升作业(六) Ⅰ. 单项填空 1. Computer lessons must be to students of all grades, so that they can master this modern communication and learning tool. A. avoidable B. accessible C. valuable D. acceptable 2. (2017·成都模拟)I find hard to concentrate on my studies with some people having small talk around me. A. them B. him C. that D. it 3. —How is Dennis getting along with his work? —Well, he could always new ideas for increasing sales. A. come up with B. come about C. get away from D. get up 4. (2017·哈尔滨模拟)The magician picked some persons from the audience and asked them to help him with the performance. A. by accident B. in vain C. at random D. on average 5. It is said that some software on learning subjects for pupils in a very practical way. A. designed B. is designed C. designs D. is designing 6. (原创)Terribly, a Nepal’s plane crashed down near their capital, killing 19, | 
