1. He often stopped at the sound of his own steps and was afraid to look ________ shoulder.

　　A.over

　　B.back

　　C.round

　　D.beyond

　　2. The persons that have the greatest influence ________ children are their teachers.

　　A.in

　　B.on

　　C.for

　　D.to

　　3. Cambridge has announced plans to establish a business school ________ the master’s degree in business administration.

　　A.representing

　　B.presenting

　　C.offering

　　D.supplying

　　4. Many Europeans ________ the continent of Africa in the 19th century.

　　A.exploded

　　B.explored

　　C.exposed

　　D.expanded

　　5. The police are ________ the records of all those involved in the crime.

　　A.looking into

　　B.looking after

　　C.looking out

　　D.looking on

　　6. ________ you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.

　　A.As long as

　　B.Ever since

　　C.So that

　　D.Now that

　　7. ________ its hot sun and beautiful beaches. Hawaii is a fine place to live in or to visit.

　　A.As

　　B.With

　　C.From

　　D.For

　　8. There are certain ______ when you must interrupt people who are in the middle of doing something.

　　A.conditions

　　B.situations

　　C.occasions

　　D.environments

　　9. The time is not far away ________ modern communications will become widespread in China’s vast countryside.

　　A.when

　　B.as

　　C.until

　　D.before

　　10. You should hire a more ________ manager than the one you currently have.

　　A.sufficient

　　B.effective

　　C.respective

　　D.efficient

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（实习编辑：高奕飞）