内容正文:
2021-2022学年辽宁省沈阳市铁西区八年级(上)期中英语试卷
二、单项填空(共10 小题,每小题0.5分;满分5.0分从A、B、C、D中选出可以填入空白处的最佳选项。
1.(0.5分)﹣﹣﹣________ is in the classroom.Where are the students?
﹣﹣﹣They are all in the chemistry laboratory.( )
A.Somebody B.Anybody C.Nobody D.Everybody
2.(0.5分)﹣ ______is 6 minus 6?
﹣Zero.( )
A.How many B.How old C.When D.What
3.(0.5分)My father fixed up (修理) the broken bicycle by following the ______.( )
A.instructions B.introductions
C.interviews D.inventions
4.(0.5分)﹣What time is the film going to start?
﹣I don't know.Why not _______the ticket?( )
A.develop B.find C.compare D.check
5.(0.5分)As a middle school student,you should learn to depend yourself to make a decision.( )
A.of B.with C.for D.on
6.(0.5分)This Saturday is my_______ birthday.( )
A.fourteen B.fourteenth
C.forty D.the fortieth
7.(0.5分)The teacher is glad to see that Tony is_______than before.( )
A.careful B.more careful
C.most careful D.the most careful
8.(0.5分)We should_______the future but never forget the past.( )
A.take care of B.keep in touch with
C.look forward to D.do well in
9.(0.5分)﹣﹣﹣_________ your hands before dinner,Tony.
﹣﹣﹣No problem,Mom.( )
A.Wash B.Washes C.Washing D.To wash
10.(0.5分)﹣ Can you tell me about these two suitcases?
﹣ _______ The red one is made of leather and the black one is made of plastic.( )
A.Sure. B.I see. C.Why? D.Yes?
四、阅读理解(共2小题,每小题1.5分;满分12分)阅读短文,然后根据其内容从A、B. C. D中选出最佳选项。
11.(6分)The invention of barcodes comes from a very simple idea.We only need to give each product (产品) a specific (特定的) number and print it.Then computers can read it quickly.We could just print the number itself.But this can lead to problems.For example,an unclearly printed "seven" could look like a"one" to a computer.It's also true for "three" and"eight".And"nine" looks quite like"six"if you turn it upside down.We need a better way of printing numbers so that they can be read correctly at high speeds.That's the problem barcodes solve.
Each number in a barcode is shown by seven blo