高中英语Unit 7 Sherlock Holmes SECTION 3独立主格练习

UNIT7 SECTION 3 独立主格练习1. Silver is the best conductor of electricity, copper _it closely.A followed B following C to follow D being followed2. A new technique _, the yields as a whole increased by 20 percent.A working out B having worked outC having been worked out D to have been worked out3. _, a man who expressed himself effectively is sure to succeed more rapidly than a man whose command of language is poor.A. other things being equal B Were other things equalC To be equal to other things D Other things is equal4. Weather _, the picnic will be held as scheduled.A permits B should permit C will permit D permitting5. So many directors _, the board meeting had to be put off.A were absent B been absent C had been absent D being absent6. _, she went back to her room.A There was no cause for alarm B Being no cause for alarmC There being no cause for alarm D Without having no cause for alarm7. There are four factories in our institute, _.A with each has over 100 workers B each having over 100 workersC which there are over 100 workers D with having over 100 workers8. The speech _a lively discussion started.A being delivered B was delivered C be delivered D having been delivered9. All things _, the planned trip will have to be called off.A considered B be considered C considering D having considered10. The flights _because of the snowstorm, many passengers could do nothing but take the train.A had been cancelled B have been cancelled C were cancelled D having been cancelled11. All the tasks _ahead of time, they decided to go on holiday for a week.A been fulfilled B having been fulfilled C were fulfilled D had been fulfilled12. After the Arab states won independence, great emphasis was laid on expanding education, with girls as well as boys _to go to school.A to be encouraged B being encouraged C been encouraged D be encouraged13._the temperature falling so rapidly, we couldnt go on with the experiment.A Since B For C As D With14.The decision _, the next problem was how to make a good plan.A having made B having been making C having been made D been made15.The teacher walked into the classroom _.A with a book in hand B hand with a book C being with a book in hand D to have a book in hand16.How did the group improve its discussion? They all took part, each member _the responsibility of leading one meeting. A having B to have C has had D has17.with the weather conditions _, they flew to London immediately.A taken account into B taken into account C taking account into D taking into account18. _no homework left, th