必修二 Unit 3 Computers（课件+课时作业）-2021高考英语【创新思维】一轮总复习(人教版)

Ⅰ.单句语法填空 1．With many problems arising(arise)，he didn't know what to do next. 2．What he said at the meeting was reasonable in a way. 3．It was such a difficult question that few people could answer it. 4．By the time Dale was a senior，he had__won(win)every top honour in speech. 5．Her childhood dream became a reality(real)when she broke the 100m race world record. 6．The police man signaled to the driver to__stop(stop)his car by raising his hand. 7．Attempts to find a solution(solve)to the problem have failed. 8．Dozens of unexplained mysteries exist in the world，which keeps the explorers(explore)puzzled. 9．Have you filled in the application(apply)form for a new passport? 10．When it comes to advertisements，we must all use our intelligence(intelligent)and not be a slave to them! Ⅱ.单句改错 1．John returned with two workers，under whose help we finally got the car out of the mud.under→with 2．The environment of Hong Kong is so very outstanding that it is chosen as one of the world's most livable cities.去掉very 3．Unless properly deal with right away，this kind of disease will spread throughout the country very soon.deal→dealt 4．Your side will be responsible for all the consequences arisen therefrom.arisen→arising 5．With time went by，the weather got colder.With→As或went→going Ⅲ.阅读理解 A Babbage，born in London in 1791，was a great mathematical genius.He was a natural inventor. When he finished school，he went to study mathematics at the University of Cambridge.Later，he got a job teaching at the university.While working there，he designed his “first difference engine”．This was，basically，a hand­operated mechanical calculator. He took nine years to build a part of the machine.This machine can make complex mathematical calculations.It's a basic mechanical computer. Babbage dreamed，however，of more complicated machines.In fact，he didn't only dream；he began to design them.The result was a series of “analytical engines” which were in fact powerful computers! His designs contained processors，control