更多"Why should pruning be done"的相关试题:
[单项选择]Why should pruning be done
A. To make the tree grow taller.
B. To improve the shape of the tree.
C. To get rid of the small branches.
D. To make the small branches thicker.
[单项选择]What should be done to prevent insects from eating into the water harvesting system at the bottom
A. The two bags holding the water should be put inside the metal tank.
B. The inner bags need to be replaced every two years.
C. The water harvesting system should be built on a platform.
D. A cover should be used to prevent insects from eating it.
[单项选择]He finished all the work that should be done in a week in a ______ day.
A. lonely
B. alone
C. single
D. sole
[单项选择]Don't put off until tomorrow ______ should be done today.
A. that
B. what
C. is
D. when
[单项选择]
All of followings should be done by the project manager during project control except （）
A. determine that a change has occurred
B. ensure that a change is agreed
C. make sure all changes are approved by management
D. manage changes as they occur
[单项选择]Perhaps I should not have done so, but I changed my mind about the new job even though I was ______ last week.
A. to be started
B. to have started
C. to have been starting
D. start
[单项选择]What should the man have done about his first appointment
A. He should have made an appointment.
B. He should have called to cancel his appointment.
C. He should have come for his appointment.
D. He should have stayed at home until he was well.
[单项选择]Why should anti-virus software be updated at least once a week
A. Because the newly published anti-virus software is more expensive.
B. Because the previous(先前的) anti-virus software cannot work any longer.
C. Because the inventors of viruses have suggested this idea.
D. Because computer viruses are always developing.
[单项选择]Why should we increase the production of sugar
A. It tastes sweet.
B. We can save plenty of land.
C. We can get more energy.
D. It is one of the most highly concentrated of energy foo
[单项选择]There is no reason why you should tell them ______ that you are going.
A. for advance
B. in advance
C. on advance
D. of advancing
[单项选择]Who should participate
A. People who have time.
B. All of the people.
C. Only those who have access to a phone.
D. Those with special experience.
[单项选择]Why is John studying
[单项选择]Why is the package withdrawn
A. Because Londoners do not want such corruption
B. Because the taxpayer deny such an action.
C. Because of the urge warning from IOC.
D. Because of the discontentment from other candidates,
[单项选择]Why did she feel guilty
A. She had to work instead of doing homework.
B. She spent all her time sleeping.
C. She spent all her time reading stories online.
[单项选择]Why was Windsor town blocked
A. Young people skirmished with the police.
B. There was a pop music festival in the park.
C. Policemen were injured in an accident in the street.
D. There was no hospital in the town.
