What is the best explanation to the underline phrase "to secure the smooth withdrawal of ships"?

A．To withdraw a ship mid make it in a safe condition

B．To secure the life of a ship and recycle it

C．To break a wreck

D．To finish the service of a ship and break it without other problems

[单选题]What should you do ff your child is under six years old?A．You should let him take two tablets a day.B．You should reduce the dosage anyway.C．You should find the directions on the bottle.D．You should ask the doctor for advice.

[单选题]What is the best title for this passage?（ ）A．Getting a New JobB．Tips on How to WorkC．The First—day WorkD．The Importance of Co-workers

[单选题]What is the best title for this story?A． An Interesting Elevator B. A Busy WeekendC． Elevator Safety D. Trapped in an Elevator

[单选题]What is probably the best title for the passage?A． How to Help Your Child Help OthersB． How to Educate a Shy ChildC． How to Communicate with Your ChildD． How to Help Your Child Make Friends

[单选题]What is the best title for this passage?A． Six Stages for Repairing Sam's Bicycle.B． Possible Steps of Problem-solving.C． Necessities of Problem Analysis.D． Importance of Analyzing a Problem.

[单选题]What would be the best title for the text?A． Misconceptions in BusinessB. Basic Beliefs in BusinessC． International Business CultureD. Successful International Business

[单选题]What can be the best title for the text?A． A Mother’s Love B. A Brave ActC． A Deadly River D. A Matter of Life and Death

[单选题]What can be the best title for the text?A．A Mother’s LoveB．A Brave ActC．A Deadly RiverD．A Matter of Life and Death

[单选题]What would be the best title for this text?A． Computers or TelevisionB． Effects of Television on ChildrenC． Studies on TV and College EducationD． Television and Children’s Learning Habits

[单选题]What can be the best tide for the text?A．A Mother’s LoveB．A Brave ActC．A Deadly RiverD．A Matter of Life and Death