No effective（）has been found for this

1、This used piston had been tested and a

This used piston had been tested and approved as a spare part by the （） during last annual repair.AagentBshipchandlerCsurveyorDengineer

2、Sulfur has occasionally been found in

Sulfur has occasionally been found in the earth in an almost pure state.AregularlyBaccidentallyCsometimesDsuccessfully

3、This restaurant has become popular for

This restaurant has become popular for its wide __________ of foods that suit all tastes and pockets.AdivisionBareaCrangeDcircle

4、8．It _______that he has been ill for a

8．It _______that he has been ill for a long time．A seemsB looks C looks likeD seems like

5、2．—Where have you been this morning?—I

2．—Where have you been this morning?—Ive been_________ my purse．Alooking forB findingC searchingD find out

6、It has been found that a strong______h

It has been found that a strong______helps overcome the effects of distraction.AinterruptionBmotivationCevaluationDdestination