It was not much fun to travel on one of the old sailing ships. Life was hard for both passengers and crew. 17th century sailing ships were small and rolled heavily in rough seas, so most of the passengers were seasick. There were no toilets, and the

A.They often had to set the sails in bad weather

B.So they had less courage

C.They were happy to be swept overboard in a strong wind

D.A 70-day-journey across the Atlantic was their happiest thing

A.only passengers were glad

B.the sailors had to swim ashore

C.they were surprised at the news that some ships never arrived

D.all of them were excited

A.Britain than in the USA

B.France than in Britain

C.the USA than in Britain or France

D.France than in the USA or Britain

A.they have to keep up a good relation with them

B.they have to compete with television

C.they have to write about crime, sex and rumor

D.they have to give factual news in an interesting way

A.a machine for printing

B.the business of printing

C.great force

D.newspapers

A.the characteristics of American newspapers

B.the development of American newspapers

C.the functions of American newspapers

D.the merits and shortcomings of American newspapers

A.Climate Change in the Arctic

B.How to Protect the Environment

C.The Arctic Is Home to Polar Bears

D.Polar Bears in Danger

A.On land.

B.In open water.

C.In. openings in the sea ice.

D.At the bottom of the sea.

A.Saving energy.

B.Conducting scientific research.

C.Seeking international cooperation.

D.Saving polar bears and their home.