广东20111高考英语一轮复习单元测试 Unit1 Great scientists 新人教版必修5

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Unit 1   Great scientists
能力演练
一、语法填空
阅读下面短文，根据上下文填入适当的词语，或使用括号中的词语的适当形式填空。
Someone says examination can help us go over our lessons in time after  1  we can find  2  we are getting on with our studies.  3  we are always having too many examinations and  4  are also too difficult for us to get through.In order to pass the exams,we senior middle school students are  5  (heavy)burdened with all kinds of homework.We spend about 6.5 hours in our classroom a day.At home，it takes us 5 hours  6  (finish)our homework.So we only get  7  than 7 hours sleep.As a result，we  8  (hard)have any time to go in  9  sports.I think the present system of assessment should  10  (improve).
二、完形填空
阅读下面短文，掌握其大意，然后从1~15各题所给的四个选项（A、B、C和D）中，选出最佳选项。
Students are suffering from heavy school bags,which may cause neck and back problems,Experts say.
“It,s hard for me to get up the  1  with my bag because its so heavy,”said Rick Hammond,  2  11yearold student in the US.
Rick is among the students who have  3  backpacks（背包）with two straps（带子）to carry them,  4  a number of other students choose
rolling backpacks.
But even with rolling backpacks,  5  up stairs and buses with them is  6  a problem for kids.Many of them have hurt their knees,backs or necks because of heavy school bags.
But how much is too  7  ?Experts say students should carry  8  more than 10 to 15 percent of their own body weight.
Scott Bautch,a Wisconsin  9  doctor,said kids under 4th grade should  10  with 10 percent.But it,s also important that older kids don,t go   11  percent,because their bones are still growing.
Bautch explained that there are other injuries caused by backpacks.“Kids are  12  their balance and falling down with these backpacks,”he said.
Parents and teachers are starting to tell the kids to only take   13  library books they will be reading that night.Some teachers are using worksheets（作业纸）or  14  workbooks for students to take home.
One of the best answers is,as some  15  themselves suggested,to have no homework forever!
1.A.schools            B.stairs
C.houses              D.homes
2.A.this               B.that
C.a                   D.an
3.A.special             B.unusual
C.ordinary             D.regular
4.A.when              B.then
C.but                 D.and
5.A.getting             B.climbing
C.going               D.turning
6.A.only              B.still
C.even                D.just
7.A.more              B.very
C.much               D.many
8.A.no                B.not
C.any                 D.much
9.A.children            B.student
C.bag                 D.back
10.A.carry             B.stay
C.take                 D.bring
11.A.about             B.under
C.beyond              D.before
12.A.keeping           B.missing
C.losing               D.making
13.A.home             B.class
C.school               D.city
14.A.valuable           B.thin
C.important             D.interesting
15.A.reports             B.teachers

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